. "Catalysis of the reaction: L-aspartate 4-semialdehyde + NADP(+) + phosphate = 4-phospho-L-aspartate + H(+) + NADPH." . . "aspartate-semialdehyde dehydrogenase activity" . "ASA dehydrogenase activity" . "aspartate semialdehyde dehydrogenase activity" . "aspartic beta-semialdehyde dehydrogenase activity" . "aspartic semialdehyde dehydrogenase activity" . "L-aspartate-4-semialdehyde:NADP+ oxidoreductase (phosphorylating)" . "L-aspartate-beta-semialdehyde dehydrogenase activity" . "L-aspartate-beta-semialdehyde:NADP oxidoreductase (phosporylating)" . . .