isopenicillin-N synthase activity
isopenicillin-n synthase activity
N-[(5S)-5-amino-5-carboxypentanoyl]-L-cysteinyl-D-valine:oxygen oxidoreductase (cyclizing)
n-[(5s)-5-amino-5-carboxypentanoyl]-l-cysteinyl-d-valine:oxygen oxidoreductase (cyclizing)