ID 1.21.98.1 DE Cyclic dehypoxanthinyl futalosine synthase. AN Dehypoxanthinyl futalosine cyclase. CA Dehypoxanthine futalosine + S-adenosyl-L-methionine = cyclic CA dehypoxanthinyl futalosine + 5'-deoxyadenosine + L-methionine. CF Iron-sulfur. CC -!- This enzyme is a member of the 'AdoMet radical' (radical SAM) family. CC -!- The enzyme, found in several bacterial species, is part of the CC futalosine pathway for menaquinone biosynthesis. CC -!- Formerly EC 1.21.99.2. DR Q9K864, MQNC_ALKHC ; Q9XAP2, MQNC_STRCO ; //