Structure of PDB 5mx4 Chain C Binding Site BS01

Receptor Information
>5mx4 Chain C (length=233) Species: 1145110 (Helicobacter pylori R018c) [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 chain5mx4 Chain C Residue 300 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB5mx4 Structural characterization of purine nucleoside phosphorylase from human pathogen Helicobacter pylori.
Resolution2.31 Å
Binding residue
(original residue number in PDB)		T90 C91 G92 F159 I178 E179 M180 D204 L206
Binding residue
(residue number reindexed from 1)		T90 C91 G92 F159 I178 E179 M180 D204 L206
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 2.4.2.3: uridine phosphorylase.
Gene Ontology
Molecular Function
GO:0003824 catalytic activity
GO:0004731 purine-nucleoside phosphorylase activity
GO:0004850 uridine 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:5mx4, PDBe:5mx4, PDBj:5mx4
PDBsum5mx4
PubMed28336275
UniProtK2JXG0

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