A1ISK

methyl 2-[(1S,2S)-2-[[(2S)-4-methyl-2-[[(2S)-3-methyl-2-(phenylmethoxycarbonylamino)butanoyl]amino]pentanoyl]amino]-1-oxidanyl-3-[(3S)-2-oxidanylidenepyrrolidin-3-yl]propyl]-1,3-thiazole-4-carboxylate

Created:	2024-10-23
Last modified:	2025-10-29

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1 entries where A1ISK is covalently linked to polymer or other heterogen groups

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Chemical Details
Formal Charge	0
Atom Count	88
Chiral Atom Count	5
Bond Count	90
Aromatic Bond Count	11

2D diagram of A1ISK

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Chemical Component Summary
Name	methyl 2-[(1S,2S)-2-[[(2S)-4-methyl-2-[[(2S)-3-methyl-2-(phenylmethoxycarbonylamino)butanoyl]amino]pentanoyl]amino]-1-oxidanyl-3-[(3S)-2-oxidanylidenepyrrolidin-3-yl]propyl]-1,3-thiazole-4-carboxylate
Systematic Name (OpenEye OEToolkits)	methyl 2-[(1~{S},2~{S})-2-[[(2~{S})-4-methyl-2-[[(2~{S})-3-methyl-2-(phenylmethoxycarbonylamino)butanoyl]amino]pentanoyl]amino]-1-oxidanyl-3-[(3~{S})-2-oxidanylidenepyrrolidin-3-yl]propyl]-1,3-thiazole-4-carboxylate
Formula	C₃₁ H₄₃ N₅ O₈ S
Molecular Weight	645.767
Type	NON-POLYMER

Chemical Descriptors
Type	Program	Version	Descriptor
SMILES	CACTVS	3.385	COC(=O)c1csc(n1)[CH](O)[CH](C[CH]2CCNC2=O)NC(=O)[CH](CC(C)C)NC(=O)[CH](NC(=O)OCc3ccccc3)C(C)C
SMILES	OpenEye OEToolkits	2.0.7	CC(C)CC(C(=O)NC(CC1CCNC1=O)C(c2nc(cs2)C(=O)OC)O)NC(=O)C(C(C)C)NC(=O)OCc3ccccc3
Canonical SMILES	CACTVS	3.385	COC(=O)c1csc(n1)[C@@H](O)[C@H](C[C@@H]2CCNC2=O)NC(=O)[C@H](CC(C)C)NC(=O)[C@@H](NC(=O)OCc3ccccc3)C(C)C
Canonical SMILES	OpenEye OEToolkits	2.0.7	CC(C)C[C@@H](C(=O)N[C@@H](C[C@@H]1CCNC1=O)[C@@H](c2nc(cs2)C(=O)OC)O)NC(=O)[C@H](C(C)C)NC(=O)OCc3ccccc3
InChI	InChI	1.06	InChI=1S/C31H43N5O8S/c1-17(2)13-22(34-28(40)24(18(3)4)36-31(42)44-15-19-9-7-6-8-10-19)27(39)33-21(14-20-11-12-32-26(20)38)25(37)29-35-23(16-45-29)30(41)43-5/h6-10,16-18,20-22,24-25,37H,11-15H2,1-5H3,(H,32,38)(H,33,39)(H,34,40)(H,36,42)/t20-,21-,22-,24?,25+/m0/s1
InChIKey	InChI	1.06	VXGLAHXNQFYSAB-ZLCZASCPSA-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.