. . . "Glutamine phosphoribosylpyrophosphate amidotransferase" . "Amidophosphoribosyltransferase" . "Phosphoribosyldiphosphate 5-amidotransferase" . "5-phospho-beta-D-ribosylamine + diphosphate + L-glutamate = L-glutamine + 5-phospho-alpha-D-ribose 1-diphosphate + H(2)O." .