2. Peptides
  3. Peptide and Derivatives
  4. Peptides for Drug Delivery
  5. Cell-penetrating Peptides

Cell-penetrating Peptides

Custom Peptide Synthesis

Cell-penetrating Peptides (123):

Cat. No. Product Name CAS No. Purity Chemical Structure
  • HY-P4108
    TAT-HA2 Fusion Peptide 923954-79-4 99.69%
    TAT-HA2 Fusion Peptide is a peptide-based delivery agent that combines the pH-sensitive HA2 fusion peptide from Influenza and the cell-penetrating peptide TAT from HIV. TAT-HA2 Fusion Peptide is a transactivator of transcription and hemaglutanin for endosomal release. TAT-HA2 Fusion Peptide enhances cellular uptake of macromolecules.
    TAT-HA2 Fusion Peptide
  • HY-P5307
    Peptide A5K 99.08%
    Peptide A5K (INF7-A5K-TAT) is an amphiphilic peptide derived from the HA2-TAT fusion scaffold. Peptide A5K can non-covalently bind to CRISPR ribonucleoproteins and efficiently deliver them to cells, such as primary human T cells, B cells, and NK cells. Peptide A5K enables low-toxicity, precise, and multiplex genome editing, holding great application potential in the field of cell therapy.
    Peptide A5K
  • HY-P1876B
    NLS (PKKKRKV) hydrochloride 99.02%
    NLS (PKKKRKV) hydrochloride is the hydrochloride form of NLS (PKKKRKV) (HY-P1876). NLS (PKKKRKV) is a nuclear localization signal (NLS) derived from the simian virus 40 large tumor antigen (SV40 large T antigen), that mediates binding of the karyophilic protein to importin α. NLS (PKKKRKV) can function as a method to enhance nuclear entry in the field of gene transfer research.
    NLS (PKKKRKV) hydrochloride
  • HY-P1848
    Pep-1 (uncapped) 395069-86-0 99.27%
    Pep-1 (uncapped) is a specific ligand of IL-13Ra2. Pep-1 (uncapped) exerts cell penetrating activity through receptor-mediated endocytosis, can cross the blood-tumor barrier (BTB) and target glioma cells. Pep-1 (uncapped) can enhance the uptake of nanoparticles by tumor cells and enhance the cell penetration ability of nanoparticles, and can be used to develop targeted drug delivery systems for glioma.
    Pep-1 (uncapped)
  • HY-P2529
    Penetratin 940866-75-1 99.95%
    Penetratin is a peptide derived from the amphiphilic Drosophila Antennapedia homeodomain.
    Penetratin
  • HY-P2483B
    Octaarginine acetate 98.33%
    Octaarginine acetate is a cell-penetrating peptide (CPP). CPPs show membrane translocation activities. CPPs are used for intracellular delivery of various membrane-impermeable bioactive agents because of their intrinsic ability to gain access to cell interiors. CPPs have also been used to deliver antibacterial agents to target intracellular bacteria.
    Octaarginine acetate
  • HY-P4119A
    Pep-1-Cysteamine TFA
    Pep-1-Cysteamine TFA is a chimeric cell-penetrating peptide (CPP) with a primary amphipathicity. Pep-1-Cysteamine TFA has the ability to translocate across biological membranes and introduce active proteins inside cells.
    Pep-1-Cysteamine TFA
  • HY-P11000
    INF7TAT
    INF7TAT is an amphipathic peptide containing the influenza HA2 sequence and the TAT peptide (HY-P0281). INF7TAT can associate with other macromolecules through non-covalent associations. INF7TAT can be used for non-toxic delivery of siRNAs.
    INF7TAT
  • HY-P1351
    Angiopep-2-Cys 906480-09-9 99.94%
    Angiopep-2-cys is a conjugate of Angiopep-2 hydrochloride (HY-P2341) and cysteine. Angiopep-2 hydrochloride is a brain peptide vector. The conjugation of anticancer agents with the Angiopep-2 peptide vector could increase their efficacy in the treatment of brain cancer.
    Angiopep-2-Cys
  • HY-P0281A
    TAT TFA 98.85%
    TAT TFA (YGRKKRRQRRR) is derived from the transactivator of transcription (TAT) of human immunodeficiency virus (HIV-1) and is a cell-penetrating peptide. TAT can increase the yields and the solubility of heterologous proteins.
    TAT TFA
  • HY-P10068
    LAH5 476169-12-7 99.85%
    LAH5 is an amphipathic cell-penetrating peptide. LAH5 forms nanocomplexes with both RNP and RNP/HDR cargo.
    LAH5
  • HY-P0133B
    (Arg)9 acetate 99.89%
    (Arg)9 (Nona-L-arginine) acetate is a cell-penetrating peptide (CPP) made up of 9 arginine residues. (Arg)9 acetate has neuroprotective property, exhibits neuroprotective activity with an IC50 of 0.78 μM in the glutamic acid model.
    (Arg)9 acetate
  • HY-P5284
    RALA peptide 1613231-49-4 99.16%
    RALA peptide is a cationic amphiphilic delivery agent targeting cell membranes, which forms nanoparticles through electrostatic interactions with anionic drugs. RALA peptide has pH-responsive binding properties, which can enhance the α-helical conformation in an acidic environment and destroy the endosomal membrane, promote the release of drugs into the cytoplasm, and exert efficient intracellular delivery activity. RALA peptide can be used in cancer research (enhancing the activity of bisphosphonates against prostate cancer and breast cancer cells) and bone tissue engineering (promoting osteoblast collagen deposition and extracellular matrix mineralization).
    RALA peptide
  • HY-P0311A
    LAH4 TFA 99.17%
    LAH4 TFA, an alpha-helix of the designed amphipathic peptide antibiotic, exhibits potent antimicrobial, nucleic acid transfection and cell penetration activities. LAH4 TFA possesses high plasmid DNA delivery capacities. LAH4 TFA has a strong affinity for anionic lipids found in the outer membrane of bacterial membranes.
    LAH4 TFA
  • HY-P10152
    INF7 185462-59-3
    INF7 is a derivative of the N-terminal domain of the HA2 protein that can be used to enhance the endosomal escape of polyplexes or liposome-encapsulated proteins.
    INF7
  • HY-P5623B
    RVG TFA 99.26%
    RVG TFA is a peptide derived from Rabies Virus Glycoprotein that binds to the α-7 subunit of nicotinic acetylcholine receptors (AchR) of neuronal cells. RVG enhances delivery of Mycobacterium tuberculosis antigens to antigen-presenting cells.
    RVG TFA
  • HY-P0282A
    TAT peptide TFA 99.65%
    TAT peptide (TFA) is a cell penetrating peptide (GRKKRRQRRRPQ) derived from the trans-activating transcriptional activator (Tat) from HIV-1.
    TAT peptide TFA
  • HY-P4121
    L17E 1898254-09-5 99.80%
    L17E, an endosomolytic peptide, is a cationic amphiphilic peptide with specific membrane lytic activity for late endosomes (LEs). L17E diminishes the TS5-p45 induced apoptosis in a dose-dependent manner. L17E is endocytosed into cells and trafficked to LEs. Within the acidic environment of LEs, L17E perturbs and lyses the LE membrane, leading to disruption of LE membrane and release of LE content to the cytosol. L17E is used to investigate the role of the endosomal protein trafficking pathway.
    L17E
  • HY-P2193
    TAT-amide 697226-52-1 99.16%
    TAT-amide is a cell penetrating peptide. Cell-penetrating peptides (CPPs) are short amino acid sequences able to enter different cells.
    TAT-amide
  • HY-P3432
    DfTat 2035480-78-3 98.06%
    DfTat is a dimer of the prototypical cell-penetrating peptide TAT. DfTat can deliver small molecules, peptides and proteins into live cells with a particularly high efficiency. DfTat labeled with the rhodamine can be used as a tracer for easy detection.
    DfTat