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Pathways Recommended:	PROTAC

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Photocagedproteolysis-targeting chimera (PROTAC)

" in MedChemExpress (MCE) Product Catalog:

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Targets Recommended: Ligands for Target Protein for PROTAC PROTAC Linkers PROTAC-Linker Conjugates for PAC ByeTAC Target Protein Ligand-Linker Conjugates

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-152227

PROTAC TYK2 degradation agent1	PROTACs JAK	Inflammation/Immunology
PROTAC TYK2 degradation agent1 is a potent and subtype-selective TYK2 degrader. PROTAC TYK2 degradation agent1 has TYK2 degradation activity with DC₅₀ value of 14 nM. PROTAC TYK2 degradation agent1 can be used for the research of autoimmune disease .

HY-111758

PROTAC B-Raf degrader 1 1 Publications Verification	PROTACs Raf	Cancer
PROTAC B-Raf degrader 1 (compound 2) is a proteolysis targeting chimera (PROTAC) for the degradation of B-Raf based on Cereblon ligand with anti-cancer activity .

HY-125877

PROTAC Mcl1 degrader-1 1 Publications Verification	PROTACs Bcl-2 Family	Cancer
PROTAC Mcl1 degrader-1 (compound C3), a proteolysis targeting chimera (PROTAC) based on Cereblon ligand, is a potently and selectively Mcl-1 (Bcl-2 family member) inhibitor with an IC₅₀ of 0.78 μM. PROTAC Mcl1 degrader-1 inhibits Bcl-2 with an IC₅₀ of 0.54 μM .

HY-141486A

PROTAC PARP/EGFR ligand 1	PARP EGFR Ligands for Target Protein for PROTAC	Others
PROTAC PARP/EGFR ligand 1 is an active compound that can be used for the synthesis of dual PARP EGFR degraders by proteolytic targeting chimera *(PROTAC)* technology .

HY-161093

PROTAC BRD4 Degrader-23	PROTACs	Cancer
PROTAC BRD4 Degrader-23 (compound 17) is an effective visible-light-controlled degrader. PROTAC BRD4 Degrader-23 can inhibit tumor cell proliferation under 405 nm light irradiation .

HY-148381

A947	Epigenetic Reader Domain PROTACs Apoptosis	Cancer
A947 is a potent and selective SMARCA2 proteolysis-targeting chimera molecule (PROTAC). A947 also is a potent and moderately selective SMARCA2 degrader. A947 has binding affinity to the SMARCA2 bromodomain with a K_d value of 93 nM. A947 can be used for the research of cancer .

HY-174877

PROTAC HDAC6 degrader 6	PROTACs HDAC	Cancer
PROTAC HDAC6 degrader 6 (Compound 12) is a selective *HDAC6*-targeting photochemically targeting chimeras (PHOTACs) (subset of *PROTAC) degrader with a ∼50% D_max only upon activation to its cis*-state with 390 nm light irradiation . Pink: HDAC6 ligand; Blue: CRBN ligase ligand (HY-A0003); Black: linker

HY-155371

BT-PROTAC	PROTACs	Others
BT-PROTAC is a bioorthogonally activatable prodrug. BT-PROTAC can accurately control the activity of *PROTAC* .

HY-P10446

TAT-PiET-PROTAC	Epigenetic Reader Domain PROTACs	Cancer
TAT-PiET-PROTAC is a proteolysis-targeting chimera (PROTAC)-modified TAT-PiET (HY-P10445), which is a cell-penetrating peptide targeting the extra-terminal (ET) domain of BRD4. TAT-PiET-PROTAC can reduce BRD4 and JMJD6 levels and inhibit cell proliferation. TAT-PiET-PROTAC also resists the endocrine resistance of ERα-positive breast cancer cells. TAT-PiET-PROTAC can be used for the research of cancer, such as breast cancer .

HY-162106

PROTAC GPX4 degrader-2	Ferroptosis PROTACs Glutathione Peroxidase	Cancer
PROTAC GPX4 degrader-2 (compound 18a) is a proteolysis targeting chimeras (PROTACs) that can degrade glutathione peroxidase 4 (GPX4), with the DC_{50, 48h} value of 1.68 μM. PROTAC GPX4 degrader-2 induces the accumulation of lipid peroxides and mitochondrial depolarization, subsequently triggering ferroptosis. PROTAC GPX4 degrader-2 has anti-proliferative effect .

HY-146423

PROTAC EGFR degrader 6	PROTACs EGFR Apoptosis	Cancer
PROTAC EGFR degrader 6, a PROTAC EGFR degrader, potently degrades EGFR ^Del19 in HCC827 cells with the DC₅₀ of 45.2 nM. PROTAC EGFR degrader 6 significantly induces the apoptosis of HCC827 cells and arrest the cells in G1 phase .

HY-146422

PROTAC EGFR degrader 5	PROTACs EGFR Apoptosis	Cancer
PROTAC EGFR degrader 5 (Compound 10), a PROTAC EGFR degrader, potently degrades EGFR ^Del19 in HCC827 cells with the DC₅₀ of 34.8 nM. PROTAC EGFR degrader 5 significantly induces the apoptosis of HCC827 cells and arrest the cells in G1 phase .

HY-149434

PROTAC AR-NTD degrader 1	Androgen Receptor PROTACs Apoptosis	Cancer
PROTAC AR-NTD antagonist 1 (compound 18) is a small molecule protein-targeting chimera (PROTACs) targeting the Androgen Receptor AR-V7. PROTAC AR-NTD antagonist 1 antagonizes the N-terminal domain of AR (AR-NTD), degrades AR-V7 protein, and induces apoptosis in prostate cancer (PC) cells. The efficiencies of PROTAC AR-NTD antagonist 1 in degrading AR-V7 in VCaP cells were 62.2% (1 μM) and 71.1% (5 μM), respectively .

HY-155361

PROTAC BRD9 Degrader-7	PROTACs Epigenetic Reader Domain	Cancer
PROTAC BRD9 Degrader-7 is an orally active, selective BRD9 *PROTAC* degrader (DC₅₀ = 1.02 nM). PROTAC BRD9 Degrader-7 mediates BRD9 degradation via the ubiquitin-proteasome system. PROTAC BRD9 Degrader-7 exhibits proliferation inhibitory activity in the MV4-11 cells. PROTAC BRD9 Degrader-7 can be used in the research of acute myeloid leukemia and other related malignancies. (Pink: BI 7271: HY-123616, Blue: 5-Aminothalidomide: HY-W023573, Blue + Black: Thalidomide-5-piperazine: HY-W834174, Black: N,N'-Dimethylpiperazine: HY-W539783) .

HY-173135

PROTAC KDM4 degrader-1	PROTACs Histone Demethylase Apoptosis	Cancer
PROTAC KDM4 degrader-1 (Compound 11) is a KDM4-targeted proteolysis targeting chimeras (PROTAC) degrader. PROTAC KDM4 degrader-1 can degrade KDM4A-C while sparing KDM4D. PROTAC KDM4 degrader-1 exhibits potent antiproliferative activity in esophageal cancer cells. PROTAC KDM4 degrader-1 induces apoptosis and cell cycle arrest, and inhibits histone H3 lysine demethylation. (Blue: E3 ligase ligand (HY-112078), Black: linker (HY-W013381); Pink: ligand for target protein (HY-173136) ) .

HY-163445

NAMPT activator-6	NAMPT	Cancer
NAMPT activator-6 is a NAMPT activator, a regulatory molecule for the optical control system of NAMPT and NAD+. NAMPT activator-6 can be used to design efficient photoswitchable proteolysis-targeting chimeras (PS-PROTACs) to achieve up-down reversible regulation of NAMPT and NAD+ in a light-dependent manner and reduce the toxicity associated with inhibitor-based PS-PROTACs. PS-PROTAC can be used to achieve antitumor activity, NAMPT, and NAD+ modulation in vivo via optical manipulation .

HY-143344

NJH-2-056	PROTACs CFTR	Inflammation/Immunology
NJH-2-056 is a *deubiquitinase-targeting* chimera (DUBTAC) linking the OTUB1 recruiter EN523 to the CFTR** chaperone lumacaftor. NJH-2-056 can be used for cystic fibrosis research .

HY-146393

PROTAC CYP1B1 degrader-1 1 Publications Verification	PROTACs Cytochrome P450	Cancer
PROTAC CYP1B1 degrader-1 (Compound 6C), a α-naphthoflavone chimera derivative, is able to eliminate cytochrome P450 (CYP)1B1-mediated agent resistance via targeted CYP1B1 degradation, with IC₅₀s of 95.1 and 9838.6 nM for CYP1B1 and CYP1A2, respectively. PROTAC CYP1B1 degrader-1 can be used for the research of CYP1B1-overexpressing prostate cancer .

HY-168456

RNA recruiter 1	Ligands for Target Protein for PROTAC	Infection
RNA recruiter 1 is the RNA ligand of RNAse L RIBOTAC (HY-168456), an RNA-degrading chimera which binds to a four-way RNA helix called SL5 in the 5’ UTR of the SARS-CoV-2 RNA genome and inhibits the virus replication in lung epithelial carcinoma cells. RNA recruiter 1 can be utilized in the synthesis of RIBOTAC .

HY-122829

*BCL6 PROTAC* 1**	PROTACs BCL6	Cancer
BCL6 PROTAC 1 is a selective B-cell lymphoma 6 (BCL6) *PROTAC. BCL6 PROTAC* 1 inhibits BCL6 cell reporter with an IC₅₀ value of 8.8 µM. BCL6 PROTAC 1 significantly degrades BCL6 in diffuse large B-cell lymphoma (DLBCL) cell lines. BCL6 PROTAC 1 can be used in tumor related research .

HY-135312

AZ'6421	Estrogen Receptor/ERR PROTACs	Cancer
AZ'6421 acts as *Protcolysis Targeting* Chimera (PROTAC)** to selectively degrade estrogen receptor alpha. AZ'6421 has a potent anti-tumour effect to inhibit the uncontrolled cellular proliferation which arises from malignant disease. AZ'6421 can be used for the research of cancer such as breast cancer .

HY-143343

LEB-03-153	Wee1	Cancer
LEB-03-153 is a WEE1 DUBTAC (deubiquitinase-targeting chimera) linking AZD1775 (Adavosertib) to the OTUB1 recruiter EN523 through no linker .

HY-162241

SJH1-62B	PROTACs	Others
SJH1-62B is a proteolysis targeting chimera (PROTAC) that can target the androgen receptor (AR) .

HY-168457

RNase L ligand 2	SARS-CoV	Others
RNase L ligand 2 (compound 6) is the Rnase L ligand part of RNAse L RIBOTAC (HY-168455), an RNA-degrading chimera which binds to a four-way RNA helix called SL5 in the 5’ UTR of the SARS-CoV-2 RNA genome and inhibits the virus replication in lung epithelial carcinoma cells. RNase L ligand 2 can be used in the synthesis of RIBOTAC .

HY-147373

DA-PROTAC	PROTACs Ligands for E3 Ligase	Cancer
DA-PROTAC is a potent *PROTAC* degrader of copper ion-transport proteins Atox1 and CCS. DA-PROTAC can bind both Atox1 and CCS proteins, and the complex can be bound to E3 ligase, leading to increased levels of ubiquitination of Atox1 and CCS and degradation of Atox1 and CCS proteins via the proteasome pathway. DA-PROTAC can be used for triple negative breast cancer research .

HY-143340

LEB-03-145	Wee1	Cancer
LEB-03-145 is a WEE1 DUBTAC (deubiquitinase-targeting chimera) linking AZD1775 (Adavosertib) to the OTUB1 recruiter EN523 through a C5 alkyl linker .

HY-147174

PROTAC_ERRα	PROTACs Epigenetic Reader Domain	Cancer
PROTAC_ERRα is a potent and selective ERRα PROTAC degrader (DC₅₀: 100 nM in MCF-7 cells). PROTAC_ERRα induces proteasomal degradation and has capable of specifically degrading ERRα protein by >80%. Blue: VHL ligand (HY-125845), Pink: ERRα ligand (HY-U00425), black: linker .

HY-122828

PROTAC BTK Degrader-2	PROTACs Btk	Others
PROTAC BTK Degrader-2 is a potent BTK PROTAC degrader. PROTAC BTK Degrader-2 effectively reduces BTK protein levels .

HY-125878

PROTAC SGK3 degrader-1 4 Publications Verification SGK3-PROTAC1	PROTACs SGK	Cancer
PROTAC SGK3 degrader-1 (SGK3-PROTAC1) is a von Hippel-Lindau ligand-based SKG3 PROTAC composed of a PEG3-C4-OBn (HY-130620) alkyl linker, an SGK3 degrader (red structure), and a VHL ligand (HY-150803, blue structure). PROTAC SGK3 degrader-1 (0.3 μM) induced 50% endogenous SGK3 degradation within 2 hours, and 80% SGK3 degradation was observed at 8 hours, accompanied by loss of phosphorylation of NDRG1 (SGK3 substrate) .

HY-168458

RNA recruiter-linker 1	Target Protein Ligand-Linker Conjugates	Infection
RNA recruiter-linker 1 is the RNA ligand-linker part of RNAse L RIBOTAC (HY-168455), an RNA-degrading chimera which binds to a four-way RNA helix called SL5 in the 5’ UTR of the SARS-CoV-2 RNA genome and inhibits the virus replication in lung epithelial carcinoma cells. RNA recruiter-linker 1 can be utilized in the synthesis of RIBOTAC .

HY-173009

PROTAC CG167	PROTACs Cyclophilin HCV HIV	Infection
PROTAC CG167 is a selective and potent CypA PROTAC degrader. PROTAC CG167 degrades CypA in a dose-dependent manner (Jurkat: DC₅₀: 123 nM). PROTAC CG167 can inhibit HIV-1 and HCV and exhibits antiviral activity . (Pink: CypA Ligand (HY-170997); Black: Linker (HY-W123015); Blue: E3 Ligase Ligand (HY-112078))

HY-161108

PROTAC Chk1 degrader-1	PROTACs Checkpoint Kinase (Chk)	Cancer
PROTAC Chk1 degrader-1 (Compound PROTAC-2 ) is a potent PROTAC-targeted degrader of Chk1 with a DC₅₀ of 1.33 μM. PROTAC Chk1 degrader-1 can be used in cancer research .

HY-162876

PROTAC BRD4 ligand-3	Ligands for Target Protein for PROTAC	Cancer
PROTAC BRD4 ligand-3 is a PROTAC target protein ligand (Ligands for Target Protein for PROTACs). PROTAC BRD4 ligand-3 can be used for synthesis PROTAC BRD4 Degrader-27 (HY-162875) .

HY-114229

PROTAC BET degrader-3 1 Publications Verification	PROTACs Epigenetic Reader Domain	Cancer
PROTAC BET Degrader-3 is a PROTAC connected by ligands for von Hippel-Lindau and BET.

HY-145073

PROTAC ER Degrader-10	PROTACs Estrogen Receptor/ERR	Cancer
PROTAC ER Degrader-10 is a potent PROTAC ER degrader and can be used for cancer research. PROTAC ER Degrader-10 is extracted from patent WO2021133886, example 36.

HY-135345

PROTAC FKBP Degrader-3 1 Publications Verification	PROTACs FKBP	Cancer
PROTAC FKBP Degrader-3 is a PROTAC that comprises a FKBP ligand binding group, a linker and an von Hippel-Lindau binding group. PROTAC FKBP Degrader-3 is a potent FKBP degrader .

HY-143458

*FAK PROTAC* B5**	FAK PROTACs	Cancer
FAK PROTAC B5 (Compound B5) is a FAK *PROTAC* degrader with an IC₅₀ value of 14.9 nM. FAK PROTAC B5 presents strong FAK degradation activity, antiproliferative activity, outstanding plasma stability and moderate membrane permeability. FAK PROTAC B5 inhibits cell migration and invasion .

HY-161749

PROTAC ALK degrader-1	PROTACs Anaplastic lymphoma kinase (ALK)	Cancer
PROTAC ALK degrader-1 (compound B1) is an ALK degrader based on *PROTACs, with the DC₅₀* of 26 nM in H3122 EML4-ALK. PROTAC ALK degrader-1 can be used to synthesis PROTAC ALK degrader-2 (HY-161750) with superior bioavailability .

HY-112100

PROTAC ERα Degrader-5	PROTAC-Linker Conjugates for PAC Estrogen Receptor/ERR	Cancer
PROTAC ERα Degrader-5 (compound LP2) consists an ADC linker and a PROTAC, whcih can be conjugated to an antibody to form PACs. PROTAC ERα Degrader-5 conjugated to an antibody is a more marked estrogen receptor-alpha (ERα) degrader compared to PROTAC (without Ab) .

HY-156591

PROTAC MLKL Degrader-1	PROTACs Mixed Lineage Kinase	Others
PROTAC MLKL Degrader-1 (Compound 36) is a PROTAC degrader of MLKL, with a D_max ＞90%. PROTAC MLKL Degrader-1 contains modified CRBN ligands, linker and Lenalidomide (HY-A0003)-linker fragments. PROTAC MLKL Degrader-1 abrogates cell death in a TSZ model of necroptosis.

HY-169072

PROTAC MLKL Degrader-2	PROTACs Mixed Lineage Kinase	Cancer
PROTAC MLKL Degrader-2 (compound MP-1) is a PROTAC targeting MLKL (Mixed Lineage Kinase). PROTAC MLKL Degrader-2 is composed of PROTAC target protein ligand PROTAC MLKL Degrader-2 (HY-169072) (red part), E3 ligase ligand Thalidomide (HY-14658) (blue part) and PROTAC Linker N-Methylpiperazine (HY-78871) (black part), among which the conjugate of E3 ubiquitin ligase ligand + Linker is Thalidomide-N-methylpiperazine (HY-169074) ^{[1] ^.}

HY-148334

MS8815	PROTACs Histone Methyltransferase	Cancer
MS8815 is a selective enhancer of zeste homolog 2 (EZH2) *PROTAC* degrader. MS8815 has inhibition activity for EZH2 with an IC₅₀ value of 8.6 nM. MS8815 can be used for the research of triple-negative breast cancer (TNBC) .

HY-155356A

YN14 (mixture of diastereomers)	PROTACs	Cancer
YN14 mixture of diastereomers is the diastereomers of YN14 (HY-155356). YN14 is a KRASG12C proteolysis targeting chimera (PROTAC). YN14 is highly potent and selective KRASG12C degrader and induces a stable KRASG12C: YN14: VHL ternary complex with low binding free energy (ΔG). YN14 has antiproliferative effects and significantly inhibits KRASG12C-mutant cancer cell growth .

HY-168311

PROTAC IRAK4 ligand-5	Ligands for Target Protein for PROTAC	Cancer
PROTAC IRAK4 ligand-5 is a PROTAC target protein ligand (Ligands for Target Protein for PROTACs). PROTAC IRAK4 ligand-5 can be utilized for the synthesis of KT-413 (HY-153368) .

HY-168611

PROTAC IRAK4 ligand-4	Ligands for Target Protein for PROTAC IRAK	Cancer
PROTAC IRAK4 ligand-4 is a Ligand for Target Protein for PROTAC with antitumor activity. PROTAC IRAK4 ligand-4 can be used to synthesize PROTAC IRAK4 degrader-12 (HY-168586) .

HY-149678

PROTAC eDHFR Degrader-1	PROTACs	Cancer
PROTAC eDHFR Degrader-1 is a PROTAC that is effective degradation of eDHFR-YFP, various POIs-including YFP and Luciferase .

HY-153415

PROTAC BCR-ABL Degrader-1	PROTACs Bcr-Abl	Cancer
PROTAC BCR-ABL Degrader-1 (compound PROTAC 1) is a *PROTAC* with a 2-oxoethyl linker. PROTAC BCR-ABL Degrader-1 induces Bcr-Abl degradation in a ubiquitinproteasom-dependent manner. PROTAC BCR-ABL Degrader-1 exhibits antiproliferative activity against K562 cells, and has the potential to study cancer .

HY-123961

SJF-8240	PROTACs c-Met/HGFR	Cancer
SJF-8240 (PROTAC 7) is a proteolysis targeting chimera (PROTAC) degrader. SJF-8240 induces polyubiquitination of c-Met and inhibits the proliferation of GTL16 cells (IC₅₀=66.7 nM) .

HY-158152

PROTAC CRBN ligand-2	Ligands for E3 Ligase	Cancer
PROTAC CRBN ligand-2 (12) is a Biguanide-PROTAC derivative, with an EC₅₀ of 0.15 mM in KP4 cells. PROTAC CRBN ligand-2 (12) demonstrates the ability to alter levels of mitochondrial proteins, notably complexes I and IV .

HY-157763

PROTAC BTK Degrader-8	PROTAC-Linker Conjugates for PAC Btk	Cancer
PROTAC BTK Degrader-8 (compound 3) is an effective PROTAC BTK degrader that can be coupled to an ADC antibody to form a PAC.

Cat. No.	Product Name

HY-L151

PROTAC Library

396 compounds

PROTACs (Proteolysis-targeting chimeras) is a class of molecules that utilize ubiquitin-proteasome system (UPS) to ubiquitinate and degrade target proteins. The PROTACs molecule consists of two ligands joined by a linker. The one-to-one interaction between PROTACs and target proteins determines the high efficiency of PROTACs, making it a potential molecule for targeted protein degradation (TPD) therapy.

MCE supplies a unique collection of 396 PROTACs that effectively degrade target proteins with more powerful screening capability. MCE PROTAC Library is a useful tool for signal pathway research, protein degradation therapy research, drug discovery and drug repurposing, etc.

HY-L222

PROTAC Linkers Library

0 compounds

Linkers play a necessary role in the physicochemical properties and biological activity of the bifunctional molecule. These linkers are not a simply connection of two functional modules together, but its design and nature directly affect the stability, activity, selectivity, pharmacokinetics, and ultimately the therapeutic efficacy of the entire molecule. The length of the linker determines the extent of interaction between the two ligands and thus the maximum activity of the PROTAC molecule.

MCE has collected 0 PROTAC Linkers can be used for the design and synthesis of bifunctional molecules.

HY-L129

Target Protein Ligand Library

64 compounds

Proteolysis-targeting chimera (PROTAC) has been developed to be a useful technology for targeted protein degradation. PROTACs consist of a ligand for E3 ligase (E3 ligase binder), a linker and a ligand (mostly small-molecule inhibitor) for protein of interest（target binder）. Upon binding to the target protein, the PROTACs can recruit E3 for target protein ubiquitination, which is subjected to proteasome-mediated degradation. Therefore, PROTACs execute their functions by degrading the target proteins rather than inhibiting them, which has a great superiority in overcoming resistance caused by target mutation or overexpression. To date, PROTAC technology has been applied to a variety of targets, including AR, ER, BTK, BET, and BCR-ABL to overcome resistance.

MCE carefully prepared a unique collection of 64 ligands for target proteins, which have been reported to be used in PROTAC design. MCE Target Protein Ligand Library is a useful tool for PROTAC development.

HY-L128

E3 Ligase Ligand Library

94 compounds

Although there are more than 600 E3 ubiquitin ligases, only several with small molecule ligands have been used for designing PROTACs, including Skp1-Cullin-F box complex containing Hrt1 (SCF), Von Hippel-Lindau tumor suppressor (VHL), Cereblon (CRBN), inhibitor of apoptosis proteins (IAPs), and mouse double minute 2 homolog (MDM2).

MCE carefully prepared a unique collection of 94 ligands for E3 ligase, which have been reported to be used in PROTAC design. MCE E3 ligase ligand library is a useful tool for PROTAC development.

HY-L137

Molecular Glue Compound Library

73 compounds

Targeted protein degradation(TPD) is a novel and promising approach to new drug discovery and development. It shows great potential for treating diseases with “undruggable” pathogenic protein targets and for overcoming drug resistance. Molecular glues and PROTACs are both targeted protein degraders that have attracted the most attention.

Molecular glues are small molecular degraders that mainly induce novel interaction between an E3 ligase and a target protein to form a ternary complex, leading to protein ubiquitination and subsequent proteasome degradation. Compared with PROTACs, molecular glues generally possess more favorable drug-like properties, such as lower MW, higher cell permeability, and better oral absorption. Molecular glues are emerging as a promising new therapeutic strategy.

MCE supplies a unique collection of 73 molecular glues which target various proteins. MCE Molecular Glue Compound Library is a useful tool to conduct scientific research and disease mechanism study.

HY-L918

Molecular Glue-like Compound Library

318 compounds

Targeted Protein Degradation (TPD) is a novel and promising approach to drug development. It shows great potential for targeting proteins traditionally considered "undruggable" due to the lack of enzymatic function and absence of binding sites by tagging them for degradation or recruiting natural degradation mechanisms.

Molecular glues are a type of small-molecule degraders that primarily induce novel interactions between E3 ubiquitin ligases and target proteins, forming ternary complexes that lead to protein ubiquitination and subsequent proteasomal degradation. Compared with PROTACs, molecular glues generally have lower molecular weights, higher cell permeability, and better drug-like properties. Additionally, the design of molecular glues is relatively simple, without the requirements for complex linkers and ligand optimization. As a result, molecular glues have gradually emerged as a promising therapeutic approach for various diseases.

Multiple types of molecular glues have been reported previously. Analysis of co-crystal complex structures reveals that CRBN-related molecular glues are more versatile. Therefore, MCE researchers select active molecules related to these targets as probes for artificial intelligence (AI) screening.Subsequently, molecular docking technology was used to verify whether the screened molecules retained the key pharmacophore features. Ultimately, we obtained 320 molecular glue analogs, and these compounds serve as powerful tools for the research of molecular glues.

Cat. No.	Product Name	Type

HY-D2336

PROTAC Aster-A degrader-1	Fluorescent Dyes/Probes
PROTAC Aster-A degrader-1 (compound NGF3) is a degrader of the sterol transport protein Aster-A. PROTAC Aster-A degrader-1 can be used as a fluorescence probe. (Red: Aster-A inhibitor, black: linker, Blue: E3 ligase ligand) .

HY-141085

Carboxyfluorescein-PEG12-NHS	Fluorescent Dyes/Probes
Carboxyfluorescein-PEG12-NHS is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs .

HY-140938A

(Rac)-Biotin-PEG3-oxyamine hydrochloride	Fluorescent Dyes/Probes
(Rac)-Biotin-PEG3-oxyamine hydrochloride is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs .

HY-D2420

Biotin-PEG5-Mal	Fluorescent Dyes/Probes
Biotin-PEG5-Mal is a PROTAC linker, belonging to the PEG class. It can be used for the synthesis of PROTAC molecules .

HY-133376

DBCO-NHCO-PEG12-biotin	Dyes
DBCO-NHCO-PEG12-biotin is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs . DBCO-NHCO-PEG12-biotin is a click chemistry reagent, it contains a DBCO group that can undergo strain-promoted alkyne-azide cycloaddition (SPAAC) with molecules containing Azide groups.

HY-130768

N-(Azido-PEG3)-N-Fluorescein-PEG3-acid

Fluorescent Dyes/Probes

N-(Azido-PEG3)-N-Fluorescein-PEG3-acid is a PEG-based PROTAC linker which contains azide, fluorescein and carboxylic acid moieties. N-(Azido-PEG3)-N-Fluorescein-PEG3-acid is a click chemistry reagent, it contains an Azide group and can undergo copper-catalyzed azide-alkyne cycloaddition reaction (CuAAc) with molecules containing Alkyne groups. It can also undergo strain-promoted alkyne-azide cycloaddition (SPAAC) reactions with molecules containing DBCO or BCN groups.

Cat. No.	Product Name	Type

HY-W023573

5-Aminothalidomide	Biochemical Assay Reagents
5-Aminothalidomide is an E3 ligase ligand used in *PROTAC* technology. 5-Aminothalidomide can be used to synthesize various *PROTACs, such as the PROTAC* BRD9 Degrader-7 (HY-155361).

HY-140700

m-PEG-NHS ester (MW 20000) mPEG-SC (MW 20000); mPEG-Succinimidyl ester (MW 20000)	Drug Delivery
m-PEG-NHS ester (MW 20000) is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs .

HY-140699

m-PEG-NHS ester (MW 10000) mPEG-SC (MW 10000); mPEG-Succinimidyl ester (MW 10000)	Drug Delivery
m-PEG-NHS ester (MW 10000) is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs .

HY-140698

m-PEG-NHS ester (MW 5000) mPEG-SC (MW 5000); mPEG-Succinimidyl ester (MW 5000)	Drug Delivery
m-PEG-NHS ester (MW 5000) is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs .

HY-140736

DSPE-PEG-Biotin, MW 2000 DSPE-PEG(2000) Biotin	Drug Delivery
DSPE-PEG-Biotin, MW 2000 is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs .

HY-140679

mPEG-amine (MW 20000) mPEG-NH2 (MW 20000)	Drug Delivery
m-PEG-NH2 (MW 20000) is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs .

HY-140675

mPEG-amine (MW 1000) mPEG-NH2 (MW 1000)	Drug Delivery
m-PEG-NH2 (MW 1000) is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs .

HY-140736A

DSPE-PEG-Biotin, MW 1000	Drug Delivery
DSPE-PEG-Biotin, MW 1000 is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs .

HY-140736B

DSPE-PEG-Biotin, MW 5000	Drug Delivery
DSPE-PEG-Biotin, MW 5000 is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs .

HY-140956

DSPE-PEG8-Mal	Drug Delivery
DSPE-PEG8-Mal is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs .

HY-136158A

6-Maleimidocaproic acid sulfo-NHS sodium Sulfo-EMCS	Drug Delivery
6-Maleimidocaproic acid sulfo-NHS (Sulfo-EMCS) sodium is an alkyl/ether-based PROTAC linker that can be used in the synthesis of PROTACs .

HY-140676

mPEG-amine (MW 2000) mPEG-NH2 (MW 2000)	Drug Delivery
mPEG-amine (mPEG-NH2) (MW 2000) is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs .

HY-140678

mPEG-amine (MW 10000) mPEG-NH2 (MW 10000)	Drug Delivery
mPEG-amine (mPEG-NH2) (MW 10000) is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs .

HY-140649

PEG-bis-amine (MW 20000) Poly(ethylene glycol)-bis-amine (MW 20000)	Drug Delivery
PEG-bis-amine (Poly(ethylene glycol)-bis-amine) (MW 20000) is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs .

HY-140646

PEG-bis-amine (MW 2000) Poly(ethylene glycol)-bis-amine (MW 2000)	Drug Delivery
PEG-bis-amine (Poly(ethylene glycol)-bis-amine) (MW 2000) is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs .

HY-140647

PEG-bis-amine (MW 3400) Poly(ethylene glycol)-bis-amine (MW 3400)	Drug Delivery
PEG-bis-amine (Poly(ethylene glycol)-bis-amine) (MW 3400) is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs .

HY-163790

Desthiobiotin-PEG3-sulfo-Maleimide	Biochemical Assay Reagents
Desthiobiotin-PEG3-sulfo-Maleimide is a PEG linker can be used in the synthesis of PROTACs .

HY-174925

Thalidomide-O-PEG3-COOH	Drug Delivery
Thalidomide-O-PEG3-COOH is a synthesized E3 ligase ligand-linker conjugate that incorporates the Thalidomide based cereblon ligand and a linker used in PROTAC technology .

HY-141658

Pomalidomide-PEG6-C2-COOH Pomalidomide-PEG6-COOH	Drug Delivery
Pomalidomide-PEG6-C2-COOH is a synthesized E3 ligase ligand-linker conjugate that incorporates the Pomalidomide (HY-10984) based cereblon ligand and 6-unit PEG linker used in PROTAC technology .

Cat. No.	Product Name	Target	Research Area

HY-146127A

Grb2 SH2 domain inhibitor 1 TFA	Src	Others
Grb2 SH2 domain inhibitor 1 TFA is a conformationally restricted cyclic cell penetrating peptide (CPP) containing d-pro-l-pro motif ring (AF Φ Rpprrfq) (where Φ It is L-naphthylalanine, R is D-arginine, P is D-proline), which is mainly used as a cyclic peptide inhibitor.

HY-P1556A

Vasonatrin Peptide (VNP) TFA	PKG	Metabolic Disease
Vasonatrin Peptide (VNP) TFA is a chimera of atrial natriuretic peptide (ANP) and C-type natriuretic peptide (CNP). Vasonatrin peptide TFA possesses the venodilating actions of CNP, the natriuretic actions of ANP, and unique arterial vasodilating actions not associated with either ANP or CNP. Vasonatrin Peptide TFA protects the diabetic heart against ischemia-reperfusion injury by inhibiting ER stress via the cGMP-PKG signaling pathway .

HY-P5819

xStAx-VHLL 1 Publications Verification	Wnt PROTACs β-catenin	Cancer
xStAx-VHLL is a β-catenin PROTAC degrader that promotes ubiquitination and proteasome degradation of β-catenin. xStAx-VHLL inhibits the Wnt/β-catenin signaling pathway. xStAx-VHLL can inhibit the proliferation of colon cancer cells and has anti-tumor activity .

HY-P5819A

xStAx-VHLL TFA 1 Publications Verification	PROTACs β-catenin Wnt	Cancer
xStAx-VHLL TFA is a β-catenin PROTAC degrader that promotes ubiquitination and proteasome degradation of β-catenin. xStAx-VHLL TFA inhibits the Wnt/β-catenin signaling pathway. xStAx-VHLL TFA can inhibit the proliferation of colon cancer cells and has anti-tumor activity .

HY-P10446

TAT-PiET-PROTAC	Epigenetic Reader Domain PROTACs	Cancer
TAT-PiET-PROTAC is a proteolysis-targeting chimera (PROTAC)-modified TAT-PiET (HY-P10445), which is a cell-penetrating peptide targeting the extra-terminal (ET) domain of BRD4. TAT-PiET-PROTAC can reduce BRD4 and JMJD6 levels and inhibit cell proliferation. TAT-PiET-PROTAC also resists the endocrine resistance of ERα-positive breast cancer cells. TAT-PiET-PROTAC can be used for the research of cancer, such as breast cancer .

HY-P2548

pp60 (v-SRC) Autophosphorylation Site, Phosphorylated	EGFR	Others
pp60 (v-SRC) Autophosphorylation Site, Phosphorylated is the phosphorylated peptide of an EGFR substrate. pp60 (v-SRC) Autophosphorylation Site, Phosphorylated can be used for the screening of EGFR Kinase inhibitors via phosphorylated-substrate quantification .

HY-146127

Grb2 SH2 domain inhibitor 1	EGFR	Others
Grb2 SH2 domain inhibitor 1 is a conformationally restricted cyclic cell penetrating peptide (CPP) containing d-pro-l-pro motif ring (AF Φ Rpprrfq) (where Φ It is L-naphthylalanine, R is D-arginine, P is D-proline), which is mainly used as a cyclic peptide inhibitor.

HY-P1556

Vasonatrin Peptide (VNP)	PKG	Cardiovascular Disease
Vasonatrin Peptide (VNP) is a chimera of atrial natriuretic peptide (ANP) and C-type natriuretic peptide (CNP). Vasonatrin peptide possesses the venodilating actions of CNP, the natriuretic actions of ANP, and unique arterial vasodilating actions not associated with either ANP or CNP. Vasonatrin Peptide protects the diabetic heart against ischemia-reperfusion injury by inhibiting ER stress via the cGMP-PKG signaling pathway .

HY-169235

DHHC3 ligand 1	Ligands for Target Protein for PROTAC	Cancer
DHHC3 degrader 1 is a PROTAC target protein ligand that is used to synthesize PCC16 chloride (HY-169232) .

HY-P10981

ErbB2 peptide	PI3K Ligands for E3 Ligase	Cancer
ErbB2 peptide is a peptide ligand of E3 ubiquitin ligase targeting PI3K for peptide PROTACs .

HY-P5559

ND1-YL2	PROTACs	Cancer
ND1-YL2 is a *PROTAC* that selectively degrades SRC-1 via the N-degron pathway. ND1-YL2 significantly inhibits cancer invasion and migration in vitro and in vivo. ND1-YL2 can be used in cancer research .

HY-162946

Alkyne-P60	Ligands for Target Protein for PROTAC	Cancer
Alkyne-P60 is a potent 15-mer peptide inhibitor of Foxp3. Alkyne-P60 can bind with Foxp3, hinder its nuclear translocation, and diminish Foxp3-mediated inhibition of NFKB and NFAT functions. Alkyne-P60 is a ligand for target protein for PROTAC (HY-162943).

HY-P10899

ETTAC-2	TGF-beta/Smad PROTACs	Endocrinology
ETTAC-2 is a LRG1 PROTAC degrader. ETTAC-2 promotes ubiquitination and degradation of LRG1 (DC₅₀ of 8.38 µM). ETTAC-2 inhibits the TGF-β-Smad3 signaling pathway and diminishes the secretion of fibrosis-associated proteins. ETTAC-2 attenuates the progression of renal fibrosis .

Cat. No.	Product Name	Category	Target	Chemical Structure

HY-W001958

Monomethyl octanoate Suberic acid monomethyl ester	Structural Classification Classification of Application Fields Ketones, Aldehydes, Acids Source classification Metabolic Disease Endogenous metabolite Disease Research Fields	Biochemical Assay Reagents PROTAC Linkers
Monomethyl octanoate (Suberic acid monomethyl ester) is an ester product. Monomethyl octanoate is a PROTAC linker that can be used in the synthesis of PROTACs, DDD2 (HY-176261) .

HY-W034918

Docosanedioic acid	Structural Classification other families Classification of Application Fields Ketones, Aldehydes, Acids Source classification Plants Disease Research Fields Cancer	ADC Linker PROTAC Linkers
Docosanedioic acid is a non-cleavable ADC linker used in the synthesis of antibody-drug conjugates (ADCs). Docosanedioic acid is also a alkyl chain-based PROTAC linker that can be used in the synthesis of PROTACs.

HY-107608

Leukotriene B4 2 Publications Verification LTB4; 5(S),12(R)-DiHETE	Structural Classification Microorganisms Classification of Application Fields Ketones, Aldehydes, Acids Source classification Disease markers Endocrine diseases Nervous System Disorder Endogenous metabolite Inflammation/Immunology Disease Research Fields Cardiovascular System Disorder	Endogenous Metabolite PROTAC Linkers Leukotriene Receptor
Leukotriene B4 (LTB4) is known as one of the most potent chemoattractants and activators of leukocytes and is involved in inflammatory diseases. Leukotriene B4 is also an alkyl chain-based PROTAC linker that can be used in the synthesis of PROTACs .

HY-W034595

Eicosanedioic acid	Microorganisms Source classification	ADC Linker PROTAC Linkers
Eicosanedioic acid is a non-cleavable ADC linker used in the synthesis of antibody-drug conjugates (ADCs). Eicosanedioic acid is also a alkyl chain-based PROTAC linker that can be used in the synthesis

HY-W024365

3-tert-Butyl-4-methoxyphenol	Structural Classification Monophenols Source classification Jatropha curcas Linn. Phenols Euphorbiaceae Plants	PROTAC Linkers
3-tert-Butyl-4-methoxyphenol is a PROTAC linker, belongs to alkyl/ether class, with insecticidal activity. 3-tert-Butyl-4-methoxyphenol also induced increased activities of glutathione (GSH) S-transferase and epoxide hydrolase in the liver and forestomach tissues of A/HeJ mice, regulating the carcinogen metabolism system .

HY-W010549R

2-Methylcyclohexanone (Standard)	Structural Classification Ketones, Aldehydes, Acids Source classification Endogenous metabolite	Reference Standards Endogenous Metabolite Biochemical Assay Reagents Fungal
3-tert-Butyl-4-methoxyphenol (Standard) is the analytical standard of 3-tert-Butyl-4-methoxyphenol. This product is intended for research and analytical applications. 3-tert-Butyl-4-methoxyphenol is a PROTAC linker, belongs to alkyl/ether class, with insecticidal activity. 3-tert-Butyl-4-methoxyphenol also induced increased activities of glutathione (GSH) S-transferase and epoxide hydrolase in the liver and forestomach tissues of A/HeJ mice, regulating the carcinogen metabolism system .

HY-W024365R

3-tert-Butyl-4-methoxyphenol (Standard)	Structural Classification Monophenols Source classification Jatropha curcas Linn. Phenols Euphorbiaceae Plants	PROTAC Linkers Reference Standards
3-tert-Butyl-4-methoxyphenol (Standard) is the analytical standard of 3-tert-Butyl-4-methoxyphenol. This product is intended for research and analytical applications. 3-tert-Butyl-4-methoxyphenol is a PROTAC linker, belongs to alkyl/ether class, with insecticidal activity. 3-tert-Butyl-4-methoxyphenol also induced increased activities of glutathione (GSH) S-transferase and epoxide hydrolase in the liver and forestomach tissues of A/HeJ mice, regulating the carcinogen metabolism system .

Species:	Human (20)
Tag:	His (1) Fc (19)
Source:	HEK293 (15) CHO (4) Sf9 insect cells (1)

Cat. No.	Compare	Product Name	Species	Source

HY-P7334

	CD28 Protein, Human/Cynomolgus/Rhesus Macaque (HEK293, hFc) rHuCD28, Fc chimera; TP44	Human	HEK293
	CD28 Protein, Human/Cynomolgus/Rhesus Macaque (HEK293, hFc) is a polypeptide chain with the C-terminal human IgG1 Fc fragment produced in HEK293 cells. CD28, a T cell costimulatory receptor, is a primary target for PD-1-mediated inhibition.

HY-P7335

	CD47 Protein, Human (HEK293, Fc) rHuCD47, Fc chimera; MER6; IAP; OA3	Human	HEK293
	CD47 Protein, Human (HEK293, Fc) is a polypeptide chain with the C-terminal human IgG1 Fc fragment produced in HEK293 cells. CD47 is a prominent target in cancer immunotherapy.

HY-P7395

	PD-1 Protein, Human (CHO, Fc) 2 Publications Verification rHuPD-1, Fc chimera; PD1; CD279; PDCD1	Human	CHO
	PD-1 Protein is an important immune regulatory molecule expressed on the surface of activated immune cells. By binding to its ligands (PD-L1/PD-L2), the PD-1 Protein exerts immunosuppressive effects. PD-1 Protein can be used in the research of tumors, autoimmune diseases, and other conditions. PD-1 protein, Human (CHO, Fc) is a recombinant PD-1 protein expressed by CHO cells and carries a C-hFc tag.

HY-P7317

	4-1BB/TNFRSF9 Protein, Human (CHO, Fc) rHu4-1BB, Fc chimera; CD137; ILA	Human	CHO
	4-1BB (CD137; TNFRSF9), a receptor of TNFSF9/4-1BBL, belongs to the tumor necrosis factor (TNF) receptor superfamily. 4-1BB is helpful for T cell activation and development, and also induces peripheral mononuclear cell proliferation and migration to the tumor microenvironment. 4-1BB is also involved in enhancing Nrf2 and NF-κB pathway mediated apoptosis of endothelial cells. Human 4-1BB protein is a surface glycoprotein with a transmembrane domain (187-213 a.a.). 4-1BB/TNFRSF9 Protein, Human (CHO, Fc) is the extracellular part (L24-Q186) of 4-1BB protein, produced by HEK293 cells with C-terminal hFc-tag.

HY-P7366

	HVEM/TNFRSF14 Protein, Human (sf9, Fc) rHuHVEM, Fc chimera; TNFRSF14; TR2; CD270; HVEA	Human	Sf9 insect cells
	HVEM (herpes virus entry mediator, TNFRSF14, CD270) is a member of the tumor necrosis factor receptor superfamily (TNFRSF). HVEM is a bidirectional molecular switch that transduces positive and negative signals. HVEM can deliver proinflammatory and survival signals when engaged by BTLA or LIGHT, stimulating lymphocyte proliferation, activation, and inducing inflammatory reactions. While, HVEM binds to CD160 and BTLA, inhibiting T- and B-lymphocyte activation and proliferation. HVEM/TNFRSF14 Protein, Human (sf9, Fc) is a recombinant protein consisting of 146 amino acids (L39-K184) and is produced in sf9 insect cells.

HY-P7401

	PVR/CD155 Protein, Human (HEK293, Fc) rHuPVR/CD155, Fc chimera; Poliovirus receptor; NECL-5; PVS	Human	HEK293
	PVR/CD155 Protein, Human (HEK293, Fc), a Type I transmembrane glycoprotein in the immunoglobulin superfamily, is involved in the cellular poliovirus infection in primates and intestinal humoral immune responses.

HY-P7415

	TIM-3/HAVCR2 Protein, Human (HEK293, Fc) rHuTIM-3, Fc chimera; TIMD-3; CD366; HAVCR2	Human	HEK293
	TIM3 Protein, Human (HEK293, Fc) is a type I transmembrane glycoprotein belonging to T Cell Immunoglobulin Mucin (TIM) family, and is involved in regulating innate and adaptive immunity.

HY-P7414

	TIGIT Protein, Human (HEK293, Fc) rHuTIGIT, Fc chimera; VSIG9; VSTM3; T Cell Immunoreceptor with Ig and ITIM Domains	Human	HEK293
	TIGIT Protein, Human (HEK293, Fc) produced in HEK293 cells with the C-termimal human IgG1 Fc fragment. T-cell immunoreceptor with Ig and ITIM domains (TIGIT) is also known as V-set and immunoglobulin domain-containing protein 9 (VSIG9), V-set and transmembrane domain-containing protein 3 (VSTM3). It belongs to single-pass type I membrane protein containing an immunoglobulin variable domain, a transmembrane domain and an immunoreceptor tyrosine-based inhibitory motif (ITIM).

HY-P700635

	FGFR-1 alpha Protein, Human (HEK293, C-His) rHuFGFR-1α, Fc chimera; BFGFR; CD331; FLT-2	Human	HEK293
	FGFR-1 alpha is a tyrosine-protein kinase receptor for fibroblast growth factor that is critical in embryonic development, cell proliferation, differentiation, and migration. GnRH is essential for mesodermal patterning, axial organization, skeletogenesis, and nervous system development. FGFR-1 alpha Protein, Human (HEK293, C-His) is the recombinant human-derived FGFR-1 alpha protein, expressed by HEK293 , with C-6*His labeled tag.

HY-P704923

	TIM-3/HAVCR2 Protein, Human (HEK293, mFc) rHuTIM-3, Fc chimera; TIMD-3; CD366; HAVCR2	Human	HEK293

HY-P7333

	CD19 Protein, Human (CHO, Fc) rHuCD19, Fc chimera; B-lymphocyte surface antigen B4; T-cell surface antigen Leu-12	Human	CHO
	CD19 Protein, Human (CHO, Fc) is a polypeptide chain with the C-terminal human IgG1 Fc fragment produced in CHO cells. CD19 is a biomarker for normal and neoplastic B cells.

HY-P7397

	PD-L1 Protein, Human (CHO, Fc) 1 Publications Verification rHuPD-L1, Fc chimera; Programmed death ligand 1; CD274; B7-H1	Human	CHO
	PD-L1 Protein, Human (CHO, Fc) play a major role in suppressing the adaptive arm of immune system during particular events such as pregnancy, tissue allografts, autoimmune disease and other disease states such as hepatitis.

HY-P7406

	SIRP alpha/CD172a Protein, Human (HEK293, Fc) rHuSignal regulatory protein α, Fc chimera; CD172a; SHPS-1; BIT; MYD1	Human	HEK293
	SIRP alpha/CD172a Protein, Human (P78324, HEK293, Fc) produced in HEK293 cells with the C-termimal human IgG1 Fc fragment. Signal regulatory protein alpha (SIRPα, designated CD172a) is a monomeric about 90kDa type I transmembrane glycoprotein that belongs to the SIRP/SHPS (CD172) family of the immunoglobulin superfamily.

HY-P7321

	B7-1/CD80 Protein, Human (HEK293, Fc) rHuB7-1/CD80, Fc chimera; BB1; CD28LG; CD28LG1; LAB7	Human	HEK293
	B7-1/CD80 Protein, Human (HEK293, Fc) is a polypeptide chain with the C-termimal human IgG1 Fc fragment produced in HEK293 cells. CD80 is a costimulatory molecule known for its role in T-cell activation and also in regulating normal and malignant B cellsactivity.

HY-P7399

	PD-L2 Protein, Human (HEK293, Fc) rHuPD-L2, Fc chimera; Programmed cell death 1 ligand 2; B7DC; CD273	Human	HEK293
	PD-L2 Protein, Human (HEK293, Fc), a second ligand for PD-1, interacts with PD-1 negatively regulates T cell proliferation, cytokine production and cytotoxic activity.

HY-P704260

	B7-1/CD80 Protein, Human (HEK293, mFc) rHuB7-1/CD80, Fc chimera; BB1; CD28LG; CD28LG1; LAB7	Human	HEK293
	The CD80 protein plays a key role in T lymphocyte activation, promoting proliferation and cytokine production through CD28 binding. In contrast, interaction with CTLA-4 inhibits T cell activation. B7-1/CD80 Protein, Human (HEK293, mFc) is the recombinant human-derived B7-1/CD80 protein, expressed by HEK293, with C-mFc labeled tag.

HY-P7324

	B7-H2/ICOSLG Protein, Human (HEK293, Fc) rHuB7-H2/ICOSLG, Fc chimera; B7 homolog 2; B7RP-1; CD275	Human	HEK293
	B7-H2/ICOSLG Protein, Human (HEK293, Fc) is a polypeptide chain containing the C-termimal human IgG1 Fc fragment produced in HEK293 cells. ICOSLG is a number of the B7 family of co-stimulatory molecules.

HY-P7326

	CD276/B7-H3 Protein, Human (HEK293, Fc) rHuB7-H3/ICOSLG, Fc chimera; B7H3; B7 homolog 3; CD276	Human	HEK293
	CD276/B7-H3 Protein, Human (HEK293, Fc) is a polypeptide chain containing the C-termimal His tag produced in HEK293 cells. B7-H3 is an immune checkpoint from the B7 family of molecules.

HY-P7322

	B7-2/CD86 Protein, Human (HEK293, Fc) rHuB7-2/CD86, Fc chimera; Activation B7-2 antigen; B70; BU63; CD86; CD28LG2	Human	HEK293
	B7-2/CD86 Protein, Human (HEK293, Fc) is a polypeptide chain with the C-termimal human IgG1 Fc fragment produced in HEK293 cells. B7-2 (CD86) is a costimulatory molecule expressed by antigen-presenting cells (APCs), which interacts with CD28 for T-cell activation and survival and with CTLA4 for immune regulation.

HY-P7374

	IL-2R alpha/CD25 Protein, Human (HEK293, Fc) rHuIL-2R α/CD25, Fc chimera; TAC antigen; IL-2-RA; IL-2 R alpha; IL-2Rα; IL2RA	Human	HEK293
	IL-2R alpha (CD25) is an essential component of high-affinity IL-2 receptors. IL-2R alpha enhances binding of IL-2 to its receptor complex so that regulates T cell growth and other lymphoid functions. IL-2R alpha/CD25 Protein, Human (HEK293, Fc) is a recombinant human IL-2R alpha protein with an hFc tag at the C-terminus and is expressed in HEK293 cells. It consists of 192 amino acids (E22-C213).

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Cat. No.	Product Name	Chemical Structure

HY-A0023AS2

Alogliptin-13C,d3 benzoate
Sulfo DBCO-PEG4-Maleimide TEA is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs .

HY-126534S

Abemaciclib metabolite M18-d8
Abemaciclib metabolite M18-d₈ is the deuterium labeled Abemaciclib metabolite M18. Abemaciclib metabolite M18 (LSN3106729), the metabolite of Abemaciclib (HY-16297A), is a CDK inhibitor with antitumor activity. Abemaciclib metabolite M18 and a CRBN ligand have been used to design PROTAC CDK4/6 degrader .

HY-40171S

NH2-C2-NH-Boc-d4
NH2-C2-NH-Boc-d₄ is the deuterium labeled NH2-C2-NH-Boc . NH2-C2-NH-Boc (PROTAC Linker 22) is a alkyl chain-based PROTAC linker can be used in the synthesis of PROTACs .

HY-107608S

Leukotriene B4-d4
Leukotriene B4-d₄ is the deuterium labeled Leukotriene B4. Leukotriene B4 (LTB4) is known as one of the most potent chemoattractants and activators of leukocytes and is involved in inflammatory diseases. Leukotriene B4 is also an alkyl chain-based PROTAC linker that can be used in the synthesis of PROTACs .

HY-107608S1

Leukotriene B4-d5
Leukotriene B4-d₅ (LTB4-d₅) is deuterium labeled Leukotriene B4. Leukotriene B4 (LTB4) is known as one of the most potent chemoattractants and activators of leukocytes and is involved in inflammatory diseases. Leukotriene B4 is also an alkyl chain-based PROTAC linker that can be used in the synthesis of PROTACs .

HY-W743931

2-Azidoethanol-d4

2-Azidoethanol-d₄ is the deuterium labeled Azido-PEG1 (HY-138461). Azido-PEG1 is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs . Azido-PEG1 is a click chemistry reagent, it contains an Azide group and can undergo copper-catalyzed azide-alkyne cycloaddition reaction (CuAAc) with molecules containing Alkyne groups. It can also undergo strain-promoted alkyne-azide cycloaddition (SPAAC) reactions with molecules containing DBCO or BCN groups.

HY-140346AS

L-Azidohomoalanine-1,2,3,4-13C4 hydrochloride

L-Azidohomoalanine-1,2,3,4- ¹³C₄ (hydrochloride) is the ¹³C- and ¹⁵N-labeled L-Azidohomoalanine hydrochloride. L-Azidohomoalanine hydrochloride is an alkyl chain-based PROTAC linker that can be used in the synthesis of PROTACs . L-Azidohomoalanine-1,2,3,4-13C4 (hydrochloride) is a click chemistry reagent, it contains an Azide group and can undergo copper-catalyzed azide-alkyne cycloaddition reaction (CuAAc) with molecules containing Alkyne groups. It can also undergo strain-promoted alkyne-azide cycloaddition (SPAAC) reactions with molecules containing DBCO or BCN groups.

HY-170126S

9-Amino-1,2,3,4-tetrahydroacridin-1-ol-d3 Maleate
9-Amino-1,2,3,4-tetrahydroacridin-1-ol-d₃ Maleate is the deuterium labeled CRBN ligand-74 (HY-170126). CRBN ligand-74 is a CRBN-type E3 ubiquitin ligase ligand that can be used to prepare PROTAC.

HY-13001S

Quizartinib-d8

Quizartinib-d₈ (AC220-d₈) is deuterium labeled Quizartinib. Quizartinib (AC220) is an orally active, highly selective and potent second-generation type II FLT3 tyrosine kinase inhibitor, with a K_d of 1.6 nM. Quizartinib inhibits wild-type FLT3 and FLT3-ITD autophosphorylation in MV4-11 cells with IC₅₀s of 4.2 and 1.1 nM, respectively. Quizartinib can be linked to the VHL ligand via an optimized linker to form a PROTAC FLT3 degrader. Quizartinib induces apoptosis .

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