Structure of PDB 1jhq Chain A Binding Site BS01

Receptor Information
>1jhq Chain A (length=346) Species: 28901 (Salmonella enterica) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
LHALLRDIPAPDAEAMARTQQHIDGLLKPPGSLGRLETLAVQLAGMPGLN
GTPQVGEKAVLVMCADHGVWDEGVAVSPKIVTAIQAANMTRGTTGVCVLA
AQAGAKVHVIDVGIDAEPIPGVVNMRVARGCGNIAVGPAMSRLQAEALLL
EVSRYTCDLAQRGVTLFGVGELGMANTTPAAAMVSVFTGSDAKEVVGIGA
NLPPSRIDNKVDVVRRAIAINQPNPRDGIDVLSKVGGFDLVGMTGVMLGA
ARCGLPVLLDGFLSYSAALAACQIAPAVRPYLIPSHFSAEKGARIALAHL
SMEPYLHMAMRLGEGSGAALAMPIVEAACAMFHNMGELAASNIVLP
Ligand information
Ligand IDPMO
InChIInChI=1S/C13H17N2O8P/c1-21-7-2-3-9-8(4-7)14-6-15(9)13-12(17)11(16)10(23-13)5-22-24(18,19)20/h2-4,6,10-13,16-17H,5H2,1H3,(H2,18,19,20)/t10-,11-,12-,13+/m1/s1
InChIKeyVYUPJUKSTVHSQI-LPWJVIDDSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04O=P(O)(O)OCC3OC(n2cnc1cc(OC)ccc12)C(O)C3O
OpenEye OEToolkits 1.5.0COc1ccc2c(c1)ncn2C3C(C(C(O3)COP(=O)(O)O)O)O
CACTVS 3.341COc1ccc2n(cnc2c1)[CH]3O[CH](CO[P](O)(O)=O)[CH](O)[CH]3O
OpenEye OEToolkits 1.5.0COc1ccc2c(c1)ncn2[C@@H]3[C@@H]([C@@H]([C@H](O3)COP(=O)(O)O)O)O
CACTVS 3.341COc1ccc2n(cnc2c1)[C@H]3O[C@H](CO[P](O)(O)=O)[C@@H](O)[C@H]3O
FormulaC13 H17 N2 O8 P
NameN1-(5'-PHOSPHO-ALPHA-RIBOSYL)-5-METHOXYBENZIMIDAZOLE;
PHOSPORIC ACID MONO-[3,4-DIHYDROXY-5-(5-METHOXY-BENZOIMIDAZOL-1-YL)-TETRAHYDRO-FURAN-2-YLMETHYL] ESTER
ChEMBL
DrugBankDB04176
ZINCZINC000005889652
PDB chain1jhq Chain A Residue 990 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB1jhq Structural investigation of the biosynthesis of alternative lower ligands for cobamides by nicotinate mononucleotide: 5,6-dimethylbenzimidazole phosphoribosyltransferase from Salmonella enterica.
Resolution2.0 Å
Binding residue
(original residue number in PDB)		V84 E174 L175 G176 M177 A178 N179 T180 A203 L315 E317
Binding residue
(residue number reindexed from 1)		V81 E171 L172 G173 M174 A175 N176 T177 A200 L312 E314
Annotation score3
Enzymatic activity
Catalytic site (original residue number in PDB) E174 E317
Catalytic site (residue number reindexed from 1) E171 E314
Enzyme Commision number 2.4.2.21: nicotinate-nucleotide--dimethylbenzimidazole phosphoribosyltransferase.
Gene Ontology
Molecular Function
GO:0000166 nucleotide binding
GO:0008939 nicotinate-nucleotide-dimethylbenzimidazole phosphoribosyltransferase activity
GO:0016757 glycosyltransferase activity
Biological Process
GO:0009236 cobalamin biosynthetic process

View graph for
Molecular Function
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Biological Process
External links
PDB RCSB:1jhq, PDBe:1jhq, PDBj:1jhq
PDBsum1jhq
PubMed11441022
UniProtQ05603|COBT_SALTY Nicotinate-nucleotide--dimethylbenzimidazole phosphoribosyltransferase (Gene Name=cobT)

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