>sp|A3CXW9|RIBL_METMJ FAD synthase OS=Methanoculleus marisnigri GN=ribL
MIRVVATGTFDILHPGHLYYLEESRNLGDELSVIVARDANVKHKPRPFLPEDQRLRMIRA
LKPVDHALLGDLHDMFRPIAEIRPDIITLGFNQHFDEEHLRQKLRERGLDADVVRIPGYP
GSLASSSKIIERILNTRGPPDPTGSHGEE