2. Signaling Pathways
  3. PROTAC
  4. E3 Ligase Ligand-Linker Conjugates

E3 Ligase Ligand-Linker Conjugates

E3 Ligase Ligand-Linker Conjugates

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E3 Ligase Ligand-Linker Conjugate, which is one part of Proteolysis Targeting Chimeric Molecules (PROTACs), incorporates a ligand for the E3 ubiquitin ligase and a linker. After linked to the ligand for target protein (such as JQ1 for BRD4 protein, Molibresib for BET protein), those conjugates can be used for constituting PROTACs that targetprotein for ubiquitination and degradation. Currently, several PROTACs have been found to show good biological activity by specifically targeting BET, estrogen receptor (ER), androgen receptor, etc. MedChemExpress (MCE) offers a wide range of high quality E3 Ligase Ligand-Linker Conjugates including von Hippel-Lindau (VHL) ligands, MDM2 ligands, Cereblon (CRBN) ligands and cIAP1 ligands conjugating with different linkers (PEGs, Alkyl-Chain, Alkyl/ether, etc.). It’s convenient and time-saving for designing and synthesizinga wide variety of novel PROTACs (ARV-825, dBET1,MT-802, etc.), which can expand the application of PROTACs in the treatment of cancer, autoimmunity, inflammation and other diseases.

E3 Ligase Ligand-Linker Conjugates Isoform Specific Products:

E3 Ligase Ligand-Linker Conjugates Isoform Comparison
Cat. No. Product Name CAS No. Purity Chemical Structure
  • HY-122694A
    Thalidomide-O-amido-PEG-C2-NH2 hydrochloride 2204226-02-6 98.10%
    Thalidomide-O-amido-PEG-C2-NH2 hydrochloride, a synthesized E3 ligase ligand-linker conjugate that incorporates the Thalidomide based cereblon ligand and a linker, can be used in the synthesis of PROTACs.
    Thalidomide-O-amido-PEG-C2-NH2 hydrochloride
  • HY-W129872
    Thalidomide-5-CH2-NH2 hydrochloride 1010100-22-7 98.55%
    Thalidomide-5-CH2-NH2 (hydrochloride) is the Thalidomide-based cereblon ligand used in the recruitment of CRBN protein. Thalidomide-5-CH2-NH2 (hydrochloride) can be connected to the ligand for protein by a linker to form PROTACs.
    Thalidomide-5-CH2-NH2 hydrochloride
  • HY-W580022
    Pomalidomide-5'-PEG8-C2-COOH 2138440-78-3 98.21%
    Pomalidomide-5'-PEG8-C2-COOH is an E3 Ligase Ligand-Linker Conjugates, consisting of Pomalidomide (HY-10984) and a linker. Pomalidomide-5'-PEG8-C2-COOH can be used for synthesis of PROTACs.
    Pomalidomide-5'-PEG8-C2-COOH
  • HY-130711B
    (S,R,S)-AHPC-C3-NH2 hydrochloride 2940858-65-9
    (S,R,S)-AHPC-C3-NH2 (VH032-C3-NH2) hydrochloride is a synthesized E3 ligase ligand-linker conjugate that incorporates the VH032 based VHL ligand and a linker used in PROTAC technology.
    (S,R,S)-AHPC-C3-NH2 hydrochloride
  • HY-W145436
    Thalidomide-Piperazine 5-fluoride hydrochloride 2222114-23-8 98.91%
    Thalidomide-Piperazine 5-fluoride hydrochloride is a derivative of cereblon (CRBN) inhibitor Thalidomide (HY-14658), which can be used as ligands for E3 ubiquitin ligase (Ligands for E3 Ligase) for PROTACs Synthesis.
    Thalidomide-Piperazine 5-fluoride hydrochloride
  • HY-103608
    (S,R,S)-AHPC-(C3-​PEG)​2-​C6-​Cl 1835705-61-7 99.89%
    (S,R,S)-AHPC-(C3-​PEG)​2-​C6-​Cl is a small molecule HaloPROTAC that incorporates the (S,R,S)-AHPC based VHL ligand and 2-unit PEG linker. (S,R,S)-AHPC-(C3-​PEG)​2-​C6-​Cl is capable of inducing the degradation of GFP-HaloTag7 in cell-based assays.
    (S,R,S)-AHPC-(C3-​PEG)​2-​C6-​Cl
  • HY-103611
    Thalidomide-O-amido-PEG3-C2-NH2 TFA 1957236-21-3 99.55%
    Thalidomide-O-amido-PEG3-C2-NH2 TFA is a synthesized E3 ligase ligand-linker conjugate that incorporates the Thalidomide based cereblon ligand and 3-unit PEG linker used in PROTAC technology.
    Thalidomide-O-amido-PEG3-C2-NH2 TFA
  • HY-161129
    Lenalidomide 4'-PEG2-amine dihydrochloride 2624336-88-3 98.96%
    Lenalidomide 4'-PEG2-amine dihydrochloride is the Lenalidomide-based Cereblon ligand used in the recruitment of CRBN protein. Lenalidomide 4'-PEG2-amine dihydrochloride can be connected to the ligand for protein by a linker to form PROTAC.
    Lenalidomide 4'-PEG2-amine dihydrochloride
  • HY-103615
    Thalidomide-O-amido-C4-N3 2098488-36-7 98.36%
    Thalidomide-O-amido-C4-N3 is a synthesized E3 ligase ligand-linker conjugate that incorporates the Thalidomide based cereblon ligand and a linker used in PROTAC technology. Thalidomide-O-amido-C4-N3 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.
    Thalidomide-O-amido-C4-N3
  • HY-136162
    Thalidomide-4-O-C2-NH2 hydrochloride 2341840-99-9 99.37%
    Thalidomide-4-O-C2-NH2 hydrochloride is a synthesized E3 ligase ligand-linker conjugate that incorporates the Thalidomide based cereblon ligand and a linker used in PROTAC technology.
    Thalidomide-4-O-C2-NH2 hydrochloride
  • HY-134983
    Thalidomide-Piperazine 5-fluoride 2222114-22-7
    Thalidomide-Piperazine 5-fluoride is a synthesized E3 ligase ligand-linker conjugate that incorporates the Thalidomide based cereblon ligand and a linker used in PROTAC technology.
    Thalidomide-Piperazine 5-fluoride
  • HY-112618A
    Thalidomide-O-amido-C6-NH2 TFA 1950635-14-9 99.82%
    Thalidomide-O-amido-C6-NH2 TFA (Cereblon Ligand-Linker Conjugates 11 TFA), a synthesized E3 ligase ligand-linker conjugate that incorporates the Thalidomide based cereblon ligand and a linker, can be used in the synthesis of PROTACs.
    Thalidomide-O-amido-C6-NH2 TFA
  • HY-130948B
    Thalidomide-4-O-C4-NH2 hydrochloride 2376990-29-1 99.35%
    Thalidomide-4-O-C4-NH2 hydrochloride is a synthesized E3 ligase ligand-linker conjugate that incorporates the Thalidomide (HY-14658) based cereblon ligand and a linker used in PROTAC technology.
    Thalidomide-4-O-C4-NH2 hydrochloride
  • HY-128716A
    Pomalidomide-PEG3-C2-NH2 TFA 2414913-97-4 99.0%
    Pomalidomide-PEG3-C2-NH2 TFA (Cereblon Ligand-Linker Conjugates 5 (TFA)) is a synthetic E3 ligase ligand-linker conjugate comprising a Pomalidomide (HY-10984)-based cereblon ligand and a 3-unit PEG linker. Pomalidomide-PEG3-C2-NH2 TFA can be used for the synthesis of PROTACs.
    Pomalidomide-PEG3-C2-NH2 TFA
  • HY-131159
    Thalidomide-O-C8-Boc 2225148-52-5
    Thalidomide-O-C8-Boc is the Thalidomide-based Cereblon ligand used in the recruitment of CRBN protein. Thalidomide-O-C8-Boc can be connected to the ligand for protein by a linker to form PROTACs.
    Thalidomide-O-C8-Boc
  • HY-107440A
    Thalidomide-O-amido-PEG3-C2-NH2 hydrochloride 2245697-84-9 98.29%
    Thalidomide-O-amido-PEG3-C2-NH2 hydrochloride is a synthesized E3 ligase ligand-linker conjugate that incorporates the Thalidomide based cereblon ligand and 3-unit PEG linker used in PROTAC technology.
    Thalidomide-O-amido-PEG3-C2-NH2 hydrochloride
  • HY-103603A
    (S,R,S)-AHPC-PEG2-NH2 2010159-60-9
    (S,R,S)-AHPC-PEG2-NH2 (VH032-PEG2-NH2) is a synthesized E3 ligase ligand-linker conjugate that incorporates the (S,R,S)-AHPC based VHL ligand and 2-unit PEG linker used in the synthesis of PROTACs.
    (S,R,S)-AHPC-PEG2-NH2
  • HY-131387
    (S,R,S)-AHPC-Me-CO-CH2-PEG3-NH2 2409538-69-6
    (S,R,S)-AHPC-Me-CO-CH2-PEG3-NH2 is a synthesized E3 ligase ligand-linker conjugate that incorporates the a VHL ligand and a linker. (S,R,S)-AHPC-Me-CO-CH2-PEG3-NH2 can be used in PROTAC BRD4 Degrader-5 (HY-133737) and PROTAC BRD4 Degrader-5-CO-PEG3-N3 (HY-133736).
    (S,R,S)-AHPC-Me-CO-CH2-PEG3-NH2
  • HY-133138
    Pomalidomide-PEG1-azide 2133360-04-8
    Pomalidomide-PEG1-azide is a E3 ligase lgand-linker conjugate. Pomalidomide-PEG1-azide incorporates the Pomalidomide based cereblon ligand and a linker.?Pomalidomide-PEG1-azide?can be used to design a?PROTAC BRD4 Degrader-1 (HY-133131). Pomalidomide-PEG1-azide 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.
    Pomalidomide-PEG1-azide
  • HY-138777
    Thalidomide-Propargyne-PEG2-COOH 2797619-65-7 98.73%
    Thalidomide-Propargyne-PEG2-COOH is a synthesized E3 ligase ligand-linker conjugate that incorporates the Thalidomide based cereblon ligand and a linker used in PROTAC technology. Thalidomide-Propargyne-PEG2-COOH is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.
    Thalidomide-Propargyne-PEG2-COOH
Cat. No. Product Name / Synonyms Application Reactivity
E3 Ligase Ligand-Linker Conjugates Isoform Comparison

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