2-oxobutanoate + NH4(+) => 1-aminocyclopropane-1-carboxylate + H2O
2-oxobutanoate + nh4(+) => 1-aminocyclopropane-1-carboxylate + h2o
2-oxobutanoate + NH4(+) => 1-aminocyclopropane-1-carboxylate + H2O
2-oxobutanoate + nh4(+) => 1-aminocyclopropane-1-carboxylate + h2o