>sp|A3CXW9|RIBL_METMJ FAD synthase OS=Methanoculleus marisnigri (strain ATCC 35101 / DSM 1498 / JR1) OX=368407 GN=ribL PE=3 SV=1
MIRVVATGTFDILHPGHLYYLEESRNLGDELSVIVARDANVKHKPRPFLPEDQRLRMIRA
LKPVDHALLGDLHDMFRPIAEIRPDIITLGFNQHFDEEHLRQKLRERGLDADVVRIPGYP
GSLASSSKIIERILNTRGPPDPTGSHGEE