In enzymology, a diaminohydroxyphosphoribosylaminopyrimidine deaminase (EC 3.5.4.26) is an enzyme that catalyzes the chemical reaction2,5-diamino-6-hydroxy-4-(5-phosphoribosylamino)pyrimidine + H2O 5-amino-6-(5-phosphoribosylamino)uracil + NH3
Structural studies
As of late 2007, 6 structures have been solved for this class of enzymes, with PDB accession codes , , , , , and . ==References==