Structure of PDB 1s20 Chain G Binding Site BS02

Receptor Information
>1s20 Chain G (length=335) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MKVTFEQLKAAFNRVLISRGVDSETADACAEMFARTTESGVYSHGVNRFP
RFIQQLENGDIIPDAQPKRITSLGAIEQWDAQRSIGNLTAKKMMDRAIEL
AADHGIGLVALRNANHWMRGGSYGWQAAEKGYIGICWTNSIAVMPPWGAK
ECRIGTNPLIVAIPSTPITMVDMSMSMFSYGMLEVNRLAGRQLPVDGGFD
DEGNLTKEPGVIEKNRRILPMGYWKGSGMSIVLDMIATLLSDGASVAEVT
QDNSDEYGISQIFIAIEVDKLIDGPTRDAKLQRIMDYVTSAERADENQAI
RLPGHEFTTLLAENRRNGITVDDSVWAKIQALLEH
Ligand information
Ligand IDNAD
InChIInChI=1S/C21H27N7O14P2/c22-17-12-19(25-7-24-17)28(8-26-12)21-16(32)14(30)11(41-21)6-39-44(36,37)42-43(34,35)38-5-10-13(29)15(31)20(40-10)27-3-1-2-9(4-27)18(23)33/h1-4,7-8,10-11,13-16,20-21,29-32H,5-6H2,(H5-,22,23,24,25,33,34,35,36,37)/t10-,11-,13-,14-,15-,16-,20-,21-/m1/s1
InChIKeyBAWFJGJZGIEFAR-NNYOXOHSSA-N
SMILES
SoftwareSMILES
CACTVS 3.341NC(=O)c1ccc[n+](c1)[C@@H]2O[C@H](CO[P]([O-])(=O)O[P@](O)(=O)OC[C@H]3O[C@H]([C@H](O)[C@@H]3O)n4cnc5c(N)ncnc45)[C@@H](O)[C@H]2O
OpenEye OEToolkits 1.5.0c1cc(c[n+](c1)C2C(C(C(O2)COP(=O)([O-])OP(=O)(O)OCC3C(C(C(O3)n4cnc5c4ncnc5N)O)O)O)O)C(=O)N
CACTVS 3.341NC(=O)c1ccc[n+](c1)[CH]2O[CH](CO[P]([O-])(=O)O[P](O)(=O)OC[CH]3O[CH]([CH](O)[CH]3O)n4cnc5c(N)ncnc45)[CH](O)[CH]2O
OpenEye OEToolkits 1.5.0c1cc(c[n+](c1)[C@H]2[C@@H]([C@@H]([C@H](O2)CO[P@@](=O)([O-])O[P@@](=O)(O)OC[C@@H]3[C@H]([C@H]([C@@H](O3)n4cnc5c4ncnc5N)O)O)O)O)C(=O)N
FormulaC21 H27 N7 O14 P2
NameNICOTINAMIDE-ADENINE-DINUCLEOTIDE
ChEMBLCHEMBL1234613
DrugBankDB14128
ZINC
PDB chain1s20 Chain H Residue 408 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1s20 A Novel NAD-binding Protein Revealed by the Crystal Structure of 2,3-Diketo-L-gulonate Reductase (YiaK).
Resolution2.2 Å
Binding residue
(original residue number in PDB)		W147 W224 K225
Binding residue
(residue number reindexed from 1)		W147 W224 K225
Annotation score4
Enzymatic activity
Catalytic site (original residue number in PDB) H44
Catalytic site (residue number reindexed from 1) H44
Enzyme Commision number 1.1.1.130: 3-dehydro-L-gulonate 2-dehydrogenase.
Gene Ontology
Molecular Function
GO:0016491 oxidoreductase activity
GO:0016616 oxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor
GO:0047559 3-dehydro-L-gulonate 2-dehydrogenase activity
GO:0070403 NAD+ binding
Cellular Component
GO:0005737 cytoplasm

View graph for
Molecular Function
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Cellular Component
External links
PDB RCSB:1s20, PDBe:1s20, PDBj:1s20
PDBsum1s20
PubMed14718529
UniProtP37672|DLGD_ECOLI 2,3-diketo-L-gulonate reductase (Gene Name=dlgD)

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