ID 5.1.1.17 DE isopenicillin-N epimerase. CA isopenicillin N = penicillin N. CC -!- Epimerization at C-5 of the 5-amino-5-carboxypentanoyl group to form CC penicillin N is required to make a substrate for EC 1.14.20.1, CC to produce cephalosporins. CC -!- Forms part of the penicillin biosynthesis pathway. DR Q8J0E9, CEFD1_HAPCH; Q8J0F0, CEFD2_HAPCH; Q03046, CEFD_AMYLA ; DR P18549, CEFD_STRCL ; //