Enzymatic reactions [BR:br08201]
1. Oxidoreductase reactions
1.3 Acting on the CH-CH group of donors
1.3.3 With oxygen as acceptor
1.3.3.13
R10327 Cyclo(L-leucyl-L-phenylalanyl) + Oxygen <=> Cyclo[(Z)-alpha,beta-didehydrophenylalanyl-L-leucyl] + Hydrogen peroxide