Structure of PDB 5epu Chain C Binding Site BS01

Receptor Information
>5epu Chain C (length=251) Species: 666 (Vibrio cholerae) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
KTVFHLGVTEADLNGATLAIIPGDPARVQKIAELMDNPVFLASHREYTVY
RAELDGQSVVVCSTGIGGPSTSIAVEELAQLGVRTFLRVGTTGAIQPHVN
VGDMIVTTGSVRLDGASLHFAPMEFPAVPDFDVATAMKAAAQESGATVHM
GVTASSDTFYPGQERYDTFTGRVVRRFQGSMKEWQDMGVLNFEMESATLL
TMCASSGLKAGCVAGVIINRTQKEIPDHATLKETEARSIKVVVEAARKML
K
Ligand information
Ligand IDCYT
InChIInChI=1S/C4H5N3O/c5-3-1-2-6-4(8)7-3/h1-2H,(H3,5,6,7,8)
InChIKeyOPTASPLRGRRNAP-UHFFFAOYSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04O=C1N=CC=C(N)N1
OpenEye OEToolkits 1.5.0C1=C(NC(=O)N=C1)N
CACTVS 3.341NC1=CC=NC(=O)N1
FormulaC4 H5 N3 O
Name6-AMINOPYRIMIDIN-2(1H)-ONE;
CYTOSINE
ChEMBLCHEMBL15913
DrugBank
ZINCZINC000000895210
PDB chain5epu Chain C Residue 302 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB5epu X-ray structure uridine phosphorylase from Vibrio cholerae in complex with cytosine at 1.06A.
Resolution1.06 Å
Binding residue
(original residue number in PDB)		T94 G95 F161 Q165 R167
Binding residue
(residue number reindexed from 1)		T92 G93 F159 Q163 R165
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) H7 G25 R29 R47 E79 R90 T93 R167 I219 I220 R222 L233
Catalytic site (residue number reindexed from 1) H5 G23 R27 R45 E77 R88 T91 R165 I217 I218 R220 L231
Enzyme Commision number 2.4.2.3: uridine phosphorylase.
Gene Ontology
Molecular Function
GO:0003824 catalytic activity
GO:0004850 uridine phosphorylase activity
GO:0016757 glycosyltransferase activity
GO:0016763 pentosyltransferase activity
GO:0046872 metal ion binding
GO:0047847 deoxyuridine phosphorylase activity
Biological Process
GO:0009116 nucleoside metabolic process
GO:0009164 nucleoside catabolic process
GO:0009166 nucleotide catabolic process
GO:0044206 UMP salvage
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:5epu, PDBe:5epu, PDBj:5epu
PDBsum5epu
PubMed
UniProtQ9K4U1

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