ID 2.6.1.74 DE cephalosporin-C transaminase. AN cephalosporin C aminotransferase. CA (7R)-7-(5-carboxy-5-oxopentanamido)deacetylcephalosporanate + D-glutamate CA = 2-oxoglutarate + cephalosporin C. CC -!- A number of D-amino acids, including D-alanine, D-aspartate and CC D-methionine can also act as amino-group donors. CC -!- Although this enzyme acts on several free D-amino acids, it differs CC from EC 2.6.1.21 in that it can use cephalosporin C as an amino CC donor. //