Structure of PDB 5mx6 Chain D Binding Site BS01

Receptor Information
>5mx6 Chain D (length=233) Species: 210 (Helicobacter pylori) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MTPHINAKIGDFYPQCLLCGDPLRVSYIAKKFLQDAKEITNVRNMLGFSG
KYKGKGISLMGHGMGIASCTIYVTELIKTYQVKELLRIGTCGAISPKVGL
KDIIMATGASTDSKTNRVRFLNHDLSATPDFELSLRAYQTAKRLGIDLKI
GNVFSSDFFYSFETHAFDLMAQYNHLAIEMEAAGLYATAMELNAKALCLC
SVSDHLITKEALSPKERIESFDNMIILALEMMS
Ligand information
Ligand IDHPA
InChIInChI=1S/C5H4N4O/c10-5-3-4(7-1-6-3)8-2-9-5/h1-2H,(H2,6,7,8,9,10)
InChIKeyFDGQSTZJBFJUBT-UHFFFAOYSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04O=C1c2c(N=CN1)ncn2
OpenEye OEToolkits 1.5.0c1[nH]c2c(n1)N=CNC2=O
CACTVS 3.341O=C1NC=Nc2nc[nH]c12
FormulaC5 H4 N4 O
NameHYPOXANTHINE
ChEMBLCHEMBL1427
DrugBankDB04076
ZINCZINC000018153302
PDB chain5mx6 Chain D Residue 302 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB5mx6 Structural characterization of purine nucleoside phosphorylase from human pathogen Helicobacter pylori.
Resolution2.41 Å
Binding residue
(original residue number in PDB)		T90 G92 F159
Binding residue
(residue number reindexed from 1)		T90 G92 F159
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) H4 G20 R24 R43 E75 R87 T90 S203 D204 L206 R217
Catalytic site (residue number reindexed from 1) H4 G20 R24 R43 E75 R87 T90 S203 D204 L206 R217
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:0006152 purine nucleoside catabolic process
GO:0009116 nucleoside metabolic process
GO:0009164 nucleoside catabolic process
Cellular Component
GO:0005829 cytosol

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Cellular Component
External links
PDB RCSB:5mx6, PDBe:5mx6, PDBj:5mx6
PDBsum5mx6
PubMed28336275
UniProtP56463|DEOD_HELPY Purine nucleoside phosphorylase DeoD-type (Gene Name=deoD)

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