Structure of PDB 5knq Chain D Binding Site BS03

Receptor Information
>5knq Chain D (length=181) Species: 83332 (Mycobacterium tuberculosis H37Rv) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
GDIKSVLLTAEQIQARIAELGEQIGNDYRELSATTGQDLLLITVLKGAVL
FVTDLARAIPVPTQFEFMAVSSYGSSTSSSGVVRILKDLDRDIHGRDVLI
VEDVVDSGLTLSWLSRNLTSRNPRSLRVCTLLRKPDAVHANVEIAYVGFD
IPNDFVVGYGLDYDERYRDLSYIGTLDPRVY
Ligand information
Ligand IDPOP
InChIInChI=1S/H4O7P2/c1-8(2,3)7-9(4,5)6/h(H2,1,2,3)(H2,4,5,6)/p-2
InChIKeyXPPKVPWEQAFLFU-UHFFFAOYSA-L
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0O[P@@](=O)([O-])O[P@@](=O)(O)[O-]
CACTVS 3.341O[P]([O-])(=O)O[P](O)([O-])=O
ACDLabs 10.04[O-]P(=O)(O)OP([O-])(=O)O
OpenEye OEToolkits 1.5.0OP(=O)([O-])OP(=O)(O)[O-]
FormulaH2 O7 P2
NamePYROPHOSPHATE 2-
ChEMBL
DrugBank
ZINC
PDB chain5knq Chain D Residue 304 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB5knq Crystal structure of Mycobacterium tuberculosis hypoxanthine guanine phosphoribosyltransferase in complex with pyrrolidine nucleoside phosphonate
Resolution2.553 Å
Binding residue
(original residue number in PDB)		L65 K66 G67 R188
Binding residue
(residue number reindexed from 1)		L45 K46 G47 R168
Annotation score5
Enzymatic activity
Catalytic site (original residue number in PDB) E122 D123 D126 F175 R188
Catalytic site (residue number reindexed from 1) E102 D103 D106 F155 R168
Enzyme Commision number 2.4.2.8: hypoxanthine phosphoribosyltransferase.
Gene Ontology
Molecular Function
GO:0000166 nucleotide binding
GO:0000287 magnesium ion binding
GO:0004422 hypoxanthine phosphoribosyltransferase activity
GO:0016757 glycosyltransferase activity
GO:0046872 metal ion binding
GO:0052657 guanine phosphoribosyltransferase activity
Biological Process
GO:0006166 purine ribonucleoside salvage
GO:0006177 GMP biosynthetic process
GO:0006178 guanine salvage
GO:0006188 IMP biosynthetic process
GO:0032263 GMP salvage
GO:0032264 IMP salvage
GO:0043101 purine-containing compound salvage
GO:0046100 hypoxanthine metabolic process
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:5knq, PDBe:5knq, PDBj:5knq
PDBsum5knq
PubMed
UniProtP9WHQ9|HGPRT_MYCTU Hypoxanthine-guanine phosphoribosyltransferase (Gene Name=hpt)

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