Structure of PDB 3ex3 Chain B Binding Site BS02

Receptor Information
>3ex3 Chain B (length=257) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MELSFGARAELPRIHPVASKLLRLMQKKETNLCLSADVSLARELLQLADA
LGPSICMLKTHVDILNDFTLDVMKELITLAKCHEFLIFEDRKFADIGNTV
KKQYEGGIFKIASWADLVNAHVVPGSGVVKGLQEVGLPLHRGCLLIAEMS
STGSLATGDYTRAAVRMAEEHSEFVVGFISGSRVSMKPEFLHLTPGVQLE
AGGDNLGQQYNSPQEVIGKRGSDIIIVGRGIISAADRLEAAEMYRKAAWE
AYLSRLG
Ligand information
Ligand IDU5P
InChIInChI=1S/C9H13N2O9P/c12-5-1-2-11(9(15)10-5)8-7(14)6(13)4(20-8)3-19-21(16,17)18/h1-2,4,6-8,13-14H,3H2,(H,10,12,15)(H2,16,17,18)/t4-,6-,7-,8-/m1/s1
InChIKeyDJJCXFVJDGTHFX-XVFCMESISA-N
SMILES
SoftwareSMILES
ACDLabs 10.04O=C1NC(=O)N(C=C1)C2OC(C(O)C2O)COP(=O)(O)O
CACTVS 3.341O[CH]1[CH](O)[CH](O[CH]1CO[P](O)(O)=O)N2C=CC(=O)NC2=O
OpenEye OEToolkits 1.5.0C1=CN(C(=O)NC1=O)[C@H]2[C@@H]([C@@H]([C@H](O2)COP(=O)(O)O)O)O
OpenEye OEToolkits 1.5.0C1=CN(C(=O)NC1=O)C2C(C(C(O2)COP(=O)(O)O)O)O
CACTVS 3.341O[C@H]1[C@@H](O)[C@@H](O[C@@H]1CO[P](O)(O)=O)N2C=CC(=O)NC2=O
FormulaC9 H13 N2 O9 P
NameURIDINE-5'-MONOPHOSPHATE
ChEMBLCHEMBL214393
DrugBankDB03685
ZINCZINC000002123545
PDB chain3ex3 Chain B Residue 481 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB3ex3 Lys314 is a nucleophile in non-classical reactions of orotidine-5'-monophosphate decarboxylase
Resolution1.45 Å
Binding residue
(original residue number in PDB)		S257 D259 K281 H283 K314 M371 S372 P417 Q430 Y432 G450 R451
Binding residue
(residue number reindexed from 1)		S35 D37 K59 H61 K92 M149 S150 P195 Q208 Y210 G228 R229
Annotation score3
Binding affinityPDBbind-CN: -logKd/Ki=4.44,IC50=36uM
Enzymatic activity
Enzyme Commision number 2.4.2.10: orotate phosphoribosyltransferase.
4.1.1.23: orotidine-5'-phosphate decarboxylase.
Gene Ontology
Molecular Function
GO:0004590 orotidine-5'-phosphate decarboxylase activity
Biological Process
GO:0006207 'de novo' pyrimidine nucleobase biosynthetic process
GO:0044205 'de novo' UMP biosynthetic process

View graph for
Molecular Function
View graph for
Biological Process
External links
PDB RCSB:3ex3, PDBe:3ex3, PDBj:3ex3
PDBsum3ex3
PubMed19472232
UniProtP11172|UMPS_HUMAN Uridine 5'-monophosphate synthase (Gene Name=UMPS)

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