CATH Classification

Domain Context

CATH Clusters

Superfamily 3.40.140.20
Functional Family Bifunctional purine biosynthesis protein PurH

Enzyme Information

3.5.4.10
IMP cyclohydrolase.
based on mapping to UniProt Q9PNY2
IMP + H(2)O = 5-formamido-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide.
2.1.2.3
Phosphoribosylaminoimidazolecarboxamide formyltransferase.
based on mapping to UniProt Q9PNY2
10-formyltetrahydrofolate + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4- carboxamide = tetrahydrofolate + 5-formamido-1-(5-phospho-D- ribosyl)imidazole-4-carboxamide.

UniProtKB Entries (1)

Q9PNY2
PUR9_CAMJE
Campylobacter jejuni subsp. jejuni NCTC 11168 = ATCC 700819
Bifunctional purine biosynthesis protein PurH

PDB Structure

PDB 4EHI
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
An X-ray Crystal Structure of a putative Bifunctional Phosphoribosylaminoimidazolecarboxamide Formyltransferase/IMP Cyclohydrolase
Brunzelle, J.S., Wawrzak, Z., Onopriyenko, O., Kwok, J., Anderson, W.F., Savchenko, A., Center for Structural Genomics of Infectious Diseases
TO BE PUBLISHED