CATH Classification

Domain Context

CATH Clusters

Superfamily Aldolase class I
Functional Family 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase

Enzyme Information

5.3.1.16
1-(5-phosphoribosyl)-5- ((5-phosphoribosylamino)methylideneamino)imidazole-4-carboxamide isomerase.
based on mapping to UniProt Q9PM74
1-(5-phospho-beta-D-ribosyl)-5-((5-phospho-beta-D- ribosylamino)methylideneamino)imidazole-4-carboxamide = 5-((5-phospho-1- deoxy-D-ribulos-1-ylamino)methylideneamino)-1-(5-phospho-beta-D- ribosyl)imidazole-4-carboxamide.
-!- Involved in histidine biosynthesis.

UniProtKB Entries (1)

Q9PM74
HIS4_CAMJE
Campylobacter jejuni subsp. jejuni NCTC 11168 = ATCC 700819
1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase

PDB Structure

PDB 4GJ1
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
Crystal structure of 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase (hisA).
Nocek, B., Gu, M., Kwon, K., Anderson, W.F., Joachimiak, A.
To be Published