SQR

4-nitrophenyl 2-acetamido-2-deoxy-4-O-(3-O-sulfo-beta-D-galactopyranosyl)-beta-D-glucopyranoside

Created:	2022-12-19
Last modified:	2026-04-05

Find Related PDB Entry
1 entries where SQR is found as a standalone ligand

Find related ligands: Help
Similar Ligands (Stereospecific) Similar Ligands (including Stereoisomers) Similar Ligands (Quick Screen) Similar Ligands (Substructure Stereospecific) Similar Ligands (Substructure including Stereoisomers)

Chemical Details
Formal Charge	0
Atom Count	67
Chiral Atom Count	10
Bond Count	69
Aromatic Bond Count	6

2D diagram of SQR

Toggle Hydrogen Toggle Labels

Chemical Component Summary
Name	4-nitrophenyl 2-acetamido-2-deoxy-4-O-(3-O-sulfo-beta-D-galactopyranosyl)-beta-D-glucopyranoside
Systematic Name (OpenEye OEToolkits)	[(2~{S},3~{R},4~{S},5~{S},6~{R})-2-[(2~{R},3~{S},4~{R},5~{R},6~{S})-5-acetamido-2-(hydroxymethyl)-6-(4-nitrophenoxy)-4-oxidanyl-oxan-3-yl]oxy-6-(hydroxymethyl)-3,5-bis(oxidanyl)oxan-4-yl] hydrogen sulfate
Formula	C₂₀ H₂₈ N₂ O₁₆ S
Molecular Weight	584.505
Type	NON-POLYMER

Chemical Descriptors
Type	Program	Version	Descriptor
SMILES	ACDLabs	14.52	[O-][N+](=O)c1ccc(cc1)OC1OC(CO)C(OC2OC(CO)C(O)C(OS(=O)(=O)O)C2O)C(O)C1NC(C)=O
SMILES	CACTVS	3.385	CC(=O)N[CH]1[CH](O)[CH](O[CH]2O[CH](CO)[CH](O)[CH](O[S](O)(=O)=O)[CH]2O)[CH](CO)O[CH]1Oc3ccc(cc3)[N+]([O-])=O
SMILES	OpenEye OEToolkits	3.1.0.0	CC(=O)NC1C(C(C(OC1Oc2ccc(cc2)[N+](=O)[O-])CO)OC3C(C(C(C(O3)CO)O)OS(=O)(=O)O)O)O
Canonical SMILES	CACTVS	3.385	CC(=O)N[C@@H]1[C@@H](O)[C@H](O[C@@H]2O[C@H](CO)[C@H](O)[C@H](O[S](O)(=O)=O)[C@H]2O)[C@@H](CO)O[C@H]1Oc3ccc(cc3)[N+]([O-])=O
Canonical SMILES	OpenEye OEToolkits	3.1.0.0	CC(=O)N[C@@H]1[C@H]([C@@H]([C@H](O[C@H]1Oc2ccc(cc2)[N+](=O)[O-])CO)O[C@H]3[C@@H]([C@H]([C@H]([C@H](O3)CO)O)OS(=O)(=O)O)O)O
InChI	InChI	1.06	InChI=1S/C20H28N2O16S/c1-8(25)21-13-15(27)17(12(7-24)36-19(13)34-10-4-2-9(3-5-10)22(29)30)37-20-16(28)18(38-39(31,32)33)14(26)11(6-23)35-20/h2-5,11-20,23-24,26-28H,6-7H2,1H3,(H,21,25)(H,31,32,33)/t11-,12-,13-,14+,15-,16-,17-,18+,19-,20+/m1/s1
InChIKey	InChI	1.06	RWBHCBGHSHJQOQ-MRHFAZSRSA-N

Related Resource References

Resource Name	Reference
PubChem	166625070

RCSB PDB is hosted by

RCSB PDB is a member of

RCSB Partners
Nucleic Acid Knowledgebase

CoreTrustSeal

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.