A1CQ4

6-(benzylsulfanyl)-9-(5-O-phosphono-beta-D-ribofuranosyl)-9H-purine

Created:	2025-08-25
Last modified:	2026-06-03

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1 entries where A1CQ4 is found as a standalone ligand

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Chemical Details
Formal Charge	0
Atom Count	49
Chiral Atom Count	4
Bond Count	52
Aromatic Bond Count	16

2D diagram of A1CQ4

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Chemical Component Summary
Name	6-(benzylsulfanyl)-9-(5-O-phosphono-beta-D-ribofuranosyl)-9H-purine
Systematic Name (OpenEye OEToolkits)	[(2~{R},3~{S},4~{R},5~{R})-3,4-bis(oxidanyl)-5-[6-(phenylmethylsulfanyl)purin-9-yl]oxolan-2-yl]methyl dihydrogen phosphate
Formula	C₁₇ H₁₉ N₄ O₇ P S
Molecular Weight	454.394
Type	NON-POLYMER

Chemical Descriptors
Type	Program	Version	Descriptor
SMILES	ACDLabs	14.52	O=P(O)(O)OCC1OC(n2cnc3c2ncnc3SCc2ccccc2)C(O)C1O
SMILES	CACTVS	3.385	O[CH]1[CH](CO[P](O)(O)=O)O[CH]([CH]1O)n2cnc3c(SCc4ccccc4)ncnc23
SMILES	OpenEye OEToolkits	3.1.0.0	c1ccc(cc1)CSc2c3c(ncn2)n(cn3)C4C(C(C(O4)COP(=O)(O)O)O)O
Canonical SMILES	CACTVS	3.385	O[C@@H]1[C@@H](CO[P](O)(O)=O)O[C@H]([C@@H]1O)n2cnc3c(SCc4ccccc4)ncnc23
Canonical SMILES	OpenEye OEToolkits	3.1.0.0	c1ccc(cc1)CSc2c3c(ncn2)n(cn3)[C@H]4[C@@H]([C@@H]([C@H](O4)COP(=O)(O)O)O)O
InChI	InChI	1.06	InChI=1S/C17H19N4O7PS/c22-13-11(6-27-29(24,25)26)28-17(14(13)23)21-9-20-12-15(21)18-8-19-16(12)30-7-10-4-2-1-3-5-10/h1-5,8-9,11,13-14,17,22-23H,6-7H2,(H2,24,25,26)/t11-,13-,14-,17-/m1/s1
InChIKey	InChI	1.06	XJYCAAZAEVWHQR-LSCFUAHRSA-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.