ID 4.1.99.27 DE cyclopenase. CA (-)-cyclopenine = H(+) + methyl isocyanate + viridicatin. CC -!- This fungal enzyme catalyzes a key reaction in the biosynthesis of CC quinolone compounds, converting the benzodiazepine structure into a CC quinolone structure. CC -!- The enzyme is also active with (-)-4'-methoxycyclopenine. DR C8VJQ3, ASQI_EMENI ; //