A1CRT

(4S)-4-{[(1R)-1-carboxy-2-sulfanylethyl]amino}-4-hydroxybutanoic acid

Created:	2025-08-27
Last modified:	2025-12-24

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1 entries where A1CRT is found in a polymer sequence

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Chemical Details
Formal Charge	0
Atom Count	27
Chiral Atom Count	2
Bond Count	26
Aromatic Bond Count	0

2D diagram of A1CRT

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Chemical Component Summary
Name	(4S)-4-{[(1R)-1-carboxy-2-sulfanylethyl]amino}-4-hydroxybutanoic acid
Systematic Name (OpenEye OEToolkits)	(4~{S})-4-oxidanyl-4-[[(2~{R})-1-oxidanyl-1-oxidanylidene-3-sulfanyl-propan-2-yl]amino]butanoic acid
Formula	C₇ H₁₃ N O₅ S
Molecular Weight	223.247
Type	L-PEPTIDE LINKING

Chemical Descriptors
Type	Program	Version	Descriptor
SMILES	ACDLabs	14.52	OC(=O)C(NC(O)CCC(=O)O)CS
SMILES	CACTVS	3.385	O[CH](CCC(O)=O)N[CH](CS)C(O)=O
SMILES	OpenEye OEToolkits	3.1.0.0	C(CC(=O)O)C(NC(CS)C(=O)O)O
Canonical SMILES	CACTVS	3.385	O[C@@H](CCC(O)=O)N[C@@H](CS)C(O)=O
Canonical SMILES	OpenEye OEToolkits	3.1.0.0	C(CC(=O)O)[C@@H](N[C@@H](CS)C(=O)O)O
InChI	InChI	1.06	InChI=1S/C7H13NO5S/c9-5(1-2-6(10)11)8-4(3-14)7(12)13/h4-5,8-9,14H,1-3H2,(H,10,11)(H,12,13)/t4-,5-/m0/s1
InChIKey	InChI	1.06	GAKVQEZYVVQDTG-WHFBIAKZSA-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.