ID 2.1.3.7 DE 3-hydroxymethylcephem carbamoyltransferase. CA carbamoyl phosphate + a 3-hydroxymethylceph-3-em-4-carboxylate = CA phosphate + a 3-carbamoyloxymethylcephem. CC -!- Acts on a wide range of 3-hydroxymethylcephems (a subclass of the CC cephalosporin antibiotics). CC -!- Activated by ATP. //