>sp|A8EVW3|RISB_ALIB4 6,7-dimethyl-8-ribityllumazine synthase OS=Aliarcobacter butzleri GN=ribH MKVIEGVLRLKGNEKIAVINGRFNHIITDRLVEGARDAFKRHGGNEDNLDLILVPGAFEI PFALEKALSSGKYDAVCCVGAVIRGATPHFDYISAEATKGIATVGLKYGKPVSNGVLTTD TIEQAIERAGSKVGNKGAEAMVTIIEMLDLYNEMGK