A1C97

3,5-difluoro-N-[(5R,6aS,8R,10R,12S,13S,15aS,19S,21S,23aS)-8-fluoro-13,21-dimethyl-6,11,15,20,23-pentaoxooctadecahydro-2H,6H,11H,15H-pyrido[2,1-i]dipyrrolo[2,1-c:2',1'-l][1,4,7,10,13]oxatetraazacyclohexadecin-12-yl]-Nalpha-[(2E,5S)-5-methylhept-2-enoyl]-L-phenylalaninamide

Created:	2026-03-09
Last modified:	2026-09-23

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1 entries where A1C97 is found as a standalone ligand

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Chemical Details
Formal Charge	0
Atom Count	110
Chiral Atom Count	9
Bond Count	114
Aromatic Bond Count	6

2D diagram of A1C97

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Chemical Component Summary
Name	3,5-difluoro-N-[(5R,6aS,8R,10R,12S,13S,15aS,19S,21S,23aS)-8-fluoro-13,21-dimethyl-6,11,15,20,23-pentaoxooctadecahydro-2H,6H,11H,15H-pyrido[2,1-i]dipyrrolo[2,1-c:2',1'-l][1,4,7,10,13]oxatetraazacyclohexadecin-12-yl]-Nalpha-[(2E,5S)-5-methylhept-2-enoyl]-L-phenylalaninamide
Systematic Name (OpenEye OEToolkits)	(~{E},5~{S})-~{N}-[(2~{S})-3-[3,5-bis(fluoranyl)phenyl]-1-[[(3~{S},5~{R},9~{S},10~{S},13~{S},19~{S},22~{S})-5-fluoranyl-10,19-dimethyl-2,8,12,18,21-pentakis(oxidanylidene)-11-oxa-1,7,17,20-tetrazatetracyclo[20.4.0.0^{3,7}.0^{13,17}]hexacosan-9-yl]amino]-1-oxidanylidene-propan-2-yl]-5-methyl-hept-2-enamide
Formula	C₄₀ H₅₃ F₃ N₆ O₈
Molecular Weight	802.879
Type	NON-POLYMER

Chemical Descriptors
Type	Program	Version	Descriptor
SMILES	ACDLabs	14.52	CC(CC)C\C=C\C(=O)NC(Cc1cc(F)cc(F)c1)C(=O)NC1C(=O)N2CC(F)CC2C(=O)N2CCCCC2C(=O)NC(C)C(=O)N2CCCC2C(=O)OC1C
SMILES	CACTVS	3.385	CC[CH](C)CC=CC(=O)N[CH](Cc1cc(F)cc(F)c1)C(=O)N[CH]2[CH](C)OC(=O)[CH]3CCCN3C(=O)[CH](C)NC(=O)[CH]4CCCCN4C(=O)[CH]5C[CH](F)CN5C2=O
SMILES	OpenEye OEToolkits	3.1.0.0	CCC(C)CC=CC(=O)NC(Cc1cc(cc(c1)F)F)C(=O)NC2C(OC(=O)C3CCCN3C(=O)C(NC(=O)C4CCCCN4C(=O)C5CC(CN5C2=O)F)C)C
Canonical SMILES	CACTVS	3.385	CC[C@H](C)C\C=C\C(=O)N[C@@H](Cc1cc(F)cc(F)c1)C(=O)N[C@H]2[C@H](C)OC(=O)[C@@H]3CCCN3C(=O)[C@H](C)NC(=O)[C@@H]4CCCCN4C(=O)[C@@H]5C[C@@H](F)CN5C2=O
Canonical SMILES	OpenEye OEToolkits	3.1.0.0	CC[C@H](C)C/C=C/C(=O)N[C@@H](Cc1cc(cc(c1)F)F)C(=O)N[C@H]2[C@@H](OC(=O)[C@@H]3CCCN3C(=O)[C@@H](NC(=O)[C@@H]4CCCCN4C(=O)[C@@H]5C[C@H](CN5C2=O)F)C)C
InChI	InChI	1.06	InChI=1S/C40H53F3N6O8/c1-5-22(2)10-8-13-33(50)45-29(18-25-16-26(41)19-27(42)17-25)35(51)46-34-24(4)57-40(56)31-12-9-15-48(31)37(53)23(3)44-36(52)30-11-6-7-14-47(30)38(54)32-20-28(43)21-49(32)39(34)55/h8,13,16-17,19,22-24,28-32,34H,5-7,9-12,14-15,18,20-21H2,1-4H3,(H,44,52)(H,45,50)(H,46,51)/b13-8+/t22-,23-,24-,28+,29-,30-,31-,32-,34-/m0/s1
InChIKey	InChI	1.06	GRUQKVOPIVMNDY-RVIYGKLPSA-N

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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.