. . . "N-acetyl-gamma-glutamyl-phosphate reductase" . "N-acetyl-glutamate semialdehyde dehydrogenase" . "NAGSA dehydrogenase" . "N-acetyl-L-glutamate 5-semialdehyde + NADP(+) + phosphate = N-acetyl-5-glutamyl phosphate + NADPH." .