CY5

[(2S)-2-[(1R)-1-AMINO-2-MERCAPTOETHYL]-4-(4-HYDROXYBENZYL)-5-OXO-2,5-DIHYDRO-1H-IMIDAZOL-1-YL]ACETIC ACID

Created:	2007-05-22
Last modified:	2026-02-18

Find Related PDB Entry
2 entries where CY5 is found in a polymer sequence

Find related ligands:

Similar Ligands (Stereospecific) Similar Ligands (including Stereoisomers) Similar Ligands (Quick Screen) Similar Ligands (Substructure Stereospecific) Similar Ligands (Substructure including Stereoisomers)

Chemical Details
Formal Charge	0
Atom Count	39
Chiral Atom Count	2
Bond Count	40
Aromatic Bond Count	6

2D diagram of CY5

Toggle Hydrogen Toggle Labels

Chemical Component Summary
Name	[(2S)-2-[(1R)-1-AMINO-2-MERCAPTOETHYL]-4-(4-HYDROXYBENZYL)-5-OXO-2,5-DIHYDRO-1H-IMIDAZOL-1-YL]ACETIC ACID
Systematic Name (OpenEye OEToolkits)	2-[2-[(1R)-1-amino-2-sulfanyl-ethyl]-4-[(4-hydroxyphenyl)methyl]-5-oxo-2H-imidazol-1-yl]ethanoic acid
Formula	C₁₄ H₁₇ N₃ O₄ S
Molecular Weight	323.367
Type	D-PEPTIDE LINKING

Chemical Descriptors
Type	Program	Version	Descriptor
SMILES	ACDLabs	10.04	O=C1C(=NC(N1CC(=O)O)C(N)CS)Cc2ccc(O)cc2
SMILES	CACTVS	3.341	N[CH](CS)[CH]1N=C(Cc2ccc(O)cc2)C(=O)N1CC(O)=O
SMILES	OpenEye OEToolkits	1.5.0	c1cc(ccc1CC2=NC(N(C2=O)CC(=O)O)C(CS)N)O
Canonical SMILES	CACTVS	3.341	N[C@@H](CS)[C@H]1N=C(Cc2ccc(O)cc2)C(=O)N1CC(O)=O
Canonical SMILES	OpenEye OEToolkits	1.5.0	c1cc(ccc1CC2=NC(N(C2=O)CC(=O)O)[C@H](CS)N)O
InChI	InChI	1.03	InChI=1S/C14H17N3O4S/c15-10(7-22)13-16-11(14(21)17(13)6-12(19)20)5-8-1-3-9(18)4-2-8/h1-4,10,13,18,22H,5-7,15H2,(H,19,20)/t10-,13-/m0/s1
InChIKey	InChI	1.03	HBCPMVTWUFZRTI-GWCFXTLKSA-N

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.