Structure of PDB 3ex6 Chain A

Receptor sequence
>3ex6A (length=257) Species: 9606 (Homo sapiens) [Search protein sequence]
MELSFGARAELPRIHPVASKLLRLMQKKETNLCLSADVSLARELLQLADA
LGPSICMLKTHVDILNDFTLDVMKELITLAKCHEFLIFENRKFADIGNTV
KKQYEGGIFKIASWADLVNAHVVPGSGVVKGLQEVGLPLHRGCLLIAEMS
STGSLATGDYTRAAVRMAEEHSEFVVGFISGSRVSMKPEFLHLTPGVQLE
AGGDNLGQQYNSPQEVIGKRGSDIIIVGRGIISAADRLEAAEMYRKAAWE
AYLSRLG
3D structure
PDB3ex6 Lys314 is a nucleophile in non-classical reactions of orotidine-5'-monophosphate decarboxylase
ChainA
Resolution1.3 Å
3D
structure
[Spin on]
[Spin off]
[Reset orientation]

[High quality]
[Low quality]

[White background]
[Black background]

[Download]
[Download structure with residue number starting from 1]
Enzymatic activity
Enzyme Commision number 2.4.2.10: orotate phosphoribosyltransferase.
4.1.1.23: orotidine-5'-phosphate decarboxylase.
Interaction with ligand
Site
#
Ligand Ligand
chain
Binding residues on receptor
(original residue number in PDB)
Binding residues on receptor
(residue number reindexed from 1)
Binding affinity
BS01 U5P A D317 I318 T321 D95 I96 T99 PDBbind-CN: -logKd/Ki=3.66,Ki=220uM
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:3ex6, PDBe:3ex6, PDBj:3ex6
PDBsum3ex6
PubMed19472232
UniProtP11172|UMPS_HUMAN Uridine 5'-monophosphate synthase (Gene Name=UMPS)

[Back to BioLiP]