2,5-dioxovalerate dehydrogenase (NADP+) activity
2,5-dioxopentanoate:NADP+ 5-oxidoreductase activity
related
2-oxoglutarate semialdehyde dehydrogenase activity
related
alpha-ketoglutaric semialdehyde dehydrogenase activity
related
Catalysis of the reaction: 2,5-dioxopentanoate + NADP+ + H2O = 2-oxoglutarate + NADPH + H+.
GO:0016620
oxidoreductase activity, acting on the aldehyde or oxo group of donors, NAD or NADP as acceptor
is_a