>sp|Q59587|RISC_METTM Riboflavin synthase OS=Methanothermobacter marburgensis GN=ribC MIKVGICDTTFARYDMGGAAIDEIKKHATGIKIIRRTVPGIKDLPVACKKLIEEEGCEMV MALGMPGPEEKDKVCAHEASTGLIQAQLMTNTHILEVFVHEDEEDDPEDLKVLADNRARE HAQNLIMMLFRPERLTRDAGMGMREGKPDVGPL