Structure of PDB 3ix2 Chain A Binding Site BS01

Receptor Information
>3ix2 Chain A (length=262) Species: 233413 (Mycobacterium tuberculosis variant bovis AF2122/97) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
DPDELARRAAQVIADRTGIGEHDVAVVLGSGWLPAVAALGSPTTVLPQAE
LPGFVPPTAAGHAGELLSVPIGAHRVLVLAGRIHAYEGHDLRYVVHPVRA
ARAAGAQIMVLTNAAGGLRADLQVGQPVLISDHLNLTARSPLVGGEFVDL
TDAYSPRLRELARQSDPQLAEGVYAGLPGPHYETPAEIRMLQTLGADLVG
MSTVHETIAARAAGAEVLGVSLVTNLAAGITGEPLSHAEVLAAGAASATR
MGALLADVIARF
Ligand information
Ligand IDPO4
InChIInChI=1S/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4)/p-3
InChIKeyNBIIXXVUZAFLBC-UHFFFAOYSA-K
SMILES
SoftwareSMILES
CACTVS 3.341[O-][P]([O-])([O-])=O
ACDLabs 10.04[O-]P([O-])([O-])=O
OpenEye OEToolkits 1.5.0[O-]P(=O)([O-])[O-]
FormulaO4 P
NamePHOSPHATE ION
ChEMBL
DrugBankDB14523
ZINC
PDB chain3ix2 Chain A Residue 301 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB3ix2 Crystal structure and molecular dynamics studies of purine nucleoside phosphorylase from Mycobacterium tuberculosis associated with acyclovir.
Resolution2.1 Å
Binding residue
(original residue number in PDB)		N119 A120 M207 S208
Binding residue
(residue number reindexed from 1)		N113 A114 M201 S202
Annotation score1
Enzymatic activity
Enzyme Commision number 2.4.2.1: purine-nucleoside phosphorylase.
Gene Ontology
Molecular Function
GO:0003824 catalytic activity
GO:0004731 purine-nucleoside phosphorylase activity
GO:0016757 glycosyltransferase activity
GO:0016763 pentosyltransferase activity
Biological Process
GO:0006139 nucleobase-containing compound metabolic process
GO:0006154 adenosine catabolic process
GO:0006161 deoxyguanosine catabolic process
GO:0009116 nucleoside metabolic process
Cellular Component
GO:0005737 cytoplasm

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:3ix2, PDBe:3ix2, PDBj:3ix2
PDBsum3ix2
PubMed22033138
UniProtP9WP01|PUNA_MYCTU Purine nucleoside phosphorylase (Gene Name=punA)

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