At3g49700: ACS9 (1-AMINOCYCLOPROPANE-1-CARBOXYLATE SYNTHASE 9)

encodes a a member of the 1-aminocyclopropane-1-carboxylate (ACC) synthase (S-adenosyl-L-methionine methylthioadenosine-lyase, EC 4.4.1.14) gene family. Mutants produce elevated levels of ethylene as etiolated seedlings.