Product Name
phosphoribosyl-AMP cyclohydrolase
Example Structure
Synonyms
HisI, N1-(5′-phosphoribosyl) adenosine-5′-monophosphate cyclohydrolase, phosphoribosyladenosine monophosphate cyclohydrolase, PR-AMP cyclohydrolase, PRA-CH, PRAMP-cyclohydrolase
EC Number
3.5.4.19
CAS Registry Number
37289-22-8
Comments
The?Neurospora crassa?enzyme also catalyses the reactions of EC?1.1.1.23?(histidinol dehydrogenase) and EC?3.6.1.31?(phosphoribosyl-ATP diphosphatase).
Cofactor
History
Reactions
1-(5-phospho-beta-D-ribosyl)-AMP + H(2)O = 1-(5-phospho-beta-D-ribosyl)- 5-((5-phospho-beta-D-ribosylamino)methylideneamino)imidazole-4- carboxamide.