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 P10372
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)

P10372
HIS4_SALTY
Salmonella enterica subsp. enterica serovar Typhimurium str. LT2
1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase

PDB Structure

PDB 5AHE
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
Two-Step Ligand Binding in a Beta/Alpha8 Barrel Enzyme -Substrate-Bound Structures Shed New Light on the Catalytic Cycle of Hisa
Soderholm, A., Guo, X., Newton, M.S., Evans, G.B., Nasvall, J., Patrick, W.M., Selmer, M.
J.Biol.Chem.