ID 6.3.2.40 DE cyclopeptine synthase. CA anthranilate + L-phenylalanine + S-adenosyl-L-methionine + 2 ATP = CA cyclopeptine + 2 AMP + S-adenosyl-L-homocysteine + 2 diphosphate + CA 2 H(+). CC -!- Cyclopeptine synthase is the key enzyme of benzodiazepine alkaloid CC biosynthesis in the fungus Penicillium cyclopium. CC -!- The enzyme is a non-ribosomal peptide synthase. CC -!- Formerly EC 2.7.7.54 and EC 2.7.7.55. DR Q5AR54, ASQK_EMENI ; A0A1B2CTC5, PENN_PENTH ; //