Protease-Activated Receptor-4

• CAT Number: I020627
• CAS Number: 245443-52-1
• Molecular Formula: C33H46N8O7
• Molecular Weight: 666.77
• Purity: ≥95%
• Synonyms: (2S)-1-[(2S)-2-[(2-aminoacetyl)amino]-3-(4-hydroxyphenyl)propanoyl]-N-[2-[[(2S)-6-amino-1-[[(2S)-1-amino-1-oxo-3-phenylpropan-2-yl]amino]-1-oxohexan-2-yl]amino]-2-oxoethyl]pyrrolidine-2-carboxamide
• InChI: InChI=1S/C33H46N8O7/c34-15-5-4-9-24(31(46)40-25(30(36)45)17-21-7-2-1-3-8-21)38-29(44)20-37-32(47)27-10-6-16-41(27)33(48)26(39-28(43)19-35)18-22-11-13-23(42)14-12-22/h1-3,7-8,11-14,24-27,42H,4-6,9-10,15-20,34-35H2,(H2,36,45)(H,37,47)(H,38,44)(H,39,43)(H,40,46)/t24-,25-,26-,27-/m0/s1
• InChIKey: NAIYNSCJEHHFMV-FWEHEUNISA-N
• SMILES: C1CC(N(C1)C(=O)C(CC2=CC=C(C=C2)O)NC(=O)CN)C(=O)NCC(=O)NC(CCCCN)C(=O)NC(CC3=CC=CC=C3)C(=O)N

Protease-Activated Receptor-4 is the agonist of proteinase-activated receptor-4 (PAR4).
GYPGKF-NH2 significantly reduces the agonistic potency of AYPGKF-NH2 by 25-fold[1]. GYPGKF-NH2 (500 μM) does not cause contraction or relaxation of the guinea pig IAS strips[2].

Reference

[1]. Moschonas IC, et al. Molecular requirements involving the human platelet protease-activated receptor-4 mechanism of activation by peptide analogues of its tethered-ligand. Platelets. 2017 Mar 7:1-10. doi: 10.1080/09537104.2017.1282607. [Epub ahead of prin
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[2]. Huang SC, et al. Proteinase-activated receptor-1 (PAR1) and PAR2 mediate relaxation of guinea pig internal anal sphincter. Regul Pept. 2014 Feb 10;189:46-50.
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