4.3.1.14 0.03 - L-3-aminobutyryl-CoA - 6045 4.3.1.14 0.045 - crotonyl-CoA - 6045 4.3.1.14 0.07 - NH3 with crotonyl-CoA as cosubstrate 6045 4.3.1.14 55 - crotonyl-CoA - 680885