CATH Classification

Domain Context

CATH Clusters

Superfamily 1.10.287.440
Functional Family Bifunctional purine biosynthesis protein PURH

Enzyme Information

2.1.2.3
Phosphoribosylaminoimidazolecarboxamide formyltransferase.
based on mapping to UniProt P31939
10-formyltetrahydrofolate + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4- carboxamide = tetrahydrofolate + 5-formamido-1-(5-phospho-D- ribosyl)imidazole-4-carboxamide.
3.5.4.10
IMP cyclohydrolase.
based on mapping to UniProt P31939
IMP + H(2)O = 5-formamido-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide.

UniProtKB Entries (1)

P31939
PUR9_HUMAN
Homo sapiens
Bifunctional purine biosynthesis protein PURH

PDB Structure

PDB 1PKX
External Links
Method X-RAY DIFFRACTION
Organism Escherichia
Primary Citation
Structural Insights into the Human and Avian IMP Cyclohydrolase Mechanism via Crystal Structures with the Bound XMP Inhibitor.
Wolan, D.W., Cheong, C.G., Greasley, S.E., Wilson, I.A.
Biochemistry