A1CR4

methyl {(2S)-1-[(1R,2S,5S)-2-{[(2R,3S)-1-(cyclopropylamino)-2-hydroxy-5-(methylsulfanyl)-1-oxopentan-3-yl]carbamoyl}-6,6-dimethyl-3-azabicyclo[3.1.0]hexan-3-yl]-3,3-dimethyl-1-oxobutan-2-yl}carbamate (non-preferred name)

Created:	2025-09-03
Last modified:	2026-01-21

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1 entries where A1CR4 is covalently linked to polymer or other heterogen groups

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Chemical Details
Formal Charge	0
Atom Count	78
Chiral Atom Count	6
Bond Count	80
Aromatic Bond Count	0

2D diagram of A1CR4

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Chemical Component Summary
Name	methyl {(2S)-1-[(1R,2S,5S)-2-{[(2R,3S)-1-(cyclopropylamino)-2-hydroxy-5-(methylsulfanyl)-1-oxopentan-3-yl]carbamoyl}-6,6-dimethyl-3-azabicyclo[3.1.0]hexan-3-yl]-3,3-dimethyl-1-oxobutan-2-yl}carbamate (non-preferred name)
Systematic Name (OpenEye OEToolkits)	methyl ~{N}-[(2~{S})-1-[(1~{R},2~{S},5~{S})-2-[[(2~{R},3~{S})-1-(cyclopropylamino)-5-methylsulfanyl-2-oxidanyl-1-oxidanylidene-pentan-3-yl]carbamoyl]-6,6-dimethyl-3-azabicyclo[3.1.0]hexan-3-yl]-3,3-dimethyl-1-oxidanylidene-butan-2-yl]carbamate
Formula	C₂₅ H₄₂ N₄ O₆ S
Molecular Weight	526.689
Type	NON-POLYMER

Chemical Descriptors
Type	Program	Version	Descriptor
SMILES	ACDLabs	14.52	CC1(C)C2C(C(=O)NC(CCSC)C(O)C(=O)NC3CC3)N(CC21)C(=O)C(NC(=O)OC)C(C)(C)C
SMILES	CACTVS	3.385	COC(=O)N[CH](C(=O)N1C[CH]2[CH]([CH]1C(=O)N[CH](CCSC)[CH](O)C(=O)NC3CC3)C2(C)C)C(C)(C)C
SMILES	OpenEye OEToolkits	3.1.0.0	CC1(C2C1C(N(C2)C(=O)C(C(C)(C)C)NC(=O)OC)C(=O)NC(CCSC)C(C(=O)NC3CC3)O)C
Canonical SMILES	CACTVS	3.385	COC(=O)N[C@H](C(=O)N1C[C@H]2[C@@H]([C@H]1C(=O)N[C@@H](CCSC)[C@@H](O)C(=O)NC3CC3)C2(C)C)C(C)(C)C
Canonical SMILES	OpenEye OEToolkits	3.1.0.0	CC1([C@@H]2[C@H]1[C@H](N(C2)C(=O)[C@H](C(C)(C)C)NC(=O)OC)C(=O)N[C@@H](CCSC)[C@H](C(=O)NC3CC3)O)C
InChI	InChI	1.06	InChI=1S/C25H42N4O6S/c1-24(2,3)19(28-23(34)35-6)22(33)29-12-14-16(25(14,4)5)17(29)20(31)27-15(10-11-36-7)18(30)21(32)26-13-8-9-13/h13-19,30H,8-12H2,1-7H3,(H,26,32)(H,27,31)(H,28,34)/t14-,15-,16-,17-,18+,19+/m0/s1
InChIKey	InChI	1.06	GDHQOIULQGASKN-XREYTECCSA-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.