1.4.1.13 L-glutamate + NADP+ + H2O - 1.4.1.13 L-glutamine + 2-oxoglutarate + NADPH main route for assimilation of ammonium compounds 1.4.1.13 L-glutamine + 2-oxoglutarate + NADPH glutamate biosynthesis 1.4.1.13 NH3 + 2-oxoglutarate + NADPH + H+ -