Structure of PDB 5knq Chain B Binding Site BS02

Receptor Information
>5knq Chain B (length=185) Species: 83332 (Mycobacterium tuberculosis H37Rv) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
ELYPGDIKSVLLTAEQIQARIAELGEQIGNDYRELSATTGQDLLLITVLK
GAVLFVTDLARAIPVPTQFEFMAVSSYGSSTSSSGVVRILKDLDRDIHGR
DVLIVEDVVDSGLTLSWLSRNLTSRNPRSLRVCTLLRKPDAVHANVEIAY
VGFDIPNDFVVGYGLDYDERYRDLSYIGTLDPRVY
Ligand information
Ligand IDMG
InChIInChI=1S/Mg/q+2
InChIKeyJLVVSXFLKOJNIY-UHFFFAOYSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Mg+2]
CACTVS 3.341[Mg++]
FormulaMg
NameMAGNESIUM ION
ChEMBL
DrugBankDB01378
ZINC
PDB chain5knq Chain B Residue 302 [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)		E122 D123
Binding residue
(residue number reindexed from 1)		E106 D107
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) E122 D123 D126 F175 R188
Catalytic site (residue number reindexed from 1) E106 D107 D110 F159 R172
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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