(2E)-butenoyl-CoA + NH4(+) => (3S)-3-aminobutanoyl-CoA
(2e)-butenoyl-coa + nh4(+) => (3s)-3-aminobutanoyl-coa
(2E)-butenoyl-CoA + NH4(+) => (3S)-3-aminobutanoyl-CoA
(2e)-butenoyl-coa + nh4(+) => (3s)-3-aminobutanoyl-coa