4.6.1.17 cnx3, cyclic pyranopterin monophosphate synthase accessory protein, MoaC, MoaC2, Moco-biosynthesis protein, MOCS1B, molybdenum cofactor biosynthesis protein C, ST0472 - -, 713624, 714888, 726621, 728595, 739551, 739638, 747097 4.6.1.17 EC 4.1.99.18 formerly, part transferred - 4.6.1.17 MoaC the formation of the cyclic pyranopterin monophosphate from GTP is catalyzed by MaoA and requires the action of MoaC -, 713617, 713624