1-(5-phosphoribosyl)-5-((5-phosphoribosylamino)methylideneamino)imidazole-4-carboxamide isomerase

1-(5-phosphoribosyl)-5-((5-phosphoribosylamino)methylideneamino)imidazole-4-carboxamide isomerase (EC 5.3.1.16, N-(5'-phospho-D-ribosylformimino)-5-amino-1-(5-phosphoribosyl)-4-imidazolecarboxamide isomerase, phosphoribosylformiminoaminophosphoribosylimidazolecarboxamide isomerase, N-(phosphoribosylformimino) aminophosphoribosylimidazolecarboxamide isomerase, 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino]imidazole-4-carboxamide ketol-isomerase) is an enzyme with systematic name 1-(5-phosphoribosyl)-5-((5-phosphoribosylamino)methylideneamino)imidazole-4-carboxamide aldose-ketose-isomerase.[1] This enzyme catalyses the following chemical reaction

1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino]imidazole-4-carboxamide 5-[(5-phospho-1-deoxyribulos-1-ylamino)methylideneamino]-1-(5-phosphoribosyl)imidazole-4-carboxamide
1-(5-phosphoribosyl)-5-((5-phosphoribosylamino)methylideneamino)imidazole-4-carboxamide isomerase
HisAp hexamer, Arthrobacter aurescens
Identifiers
EC number5.3.1.16
CAS number37318-43-7
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum

References

  1. Margolies MN, Goldberger RF (July 1966). "Isolation of the fourth (isomerase) of histidine biosynthesis from Salmonella typhimurium". The Journal of Biological Chemistry. 241 (14): 3262–9. PMID 5330429.
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