>tr|A0A363D2Z5|A0A363D2Z5_9BACT 6,7-dimethyl-8-ribityllumazine synthase OS=Arcobacter lacus GN=ribH MKVIEGVLRLKGNEKIAVINGRFNHIITDRLVEGARDAFKRHGGNEDNLDLILVPGAFEI PFALEKALSSGKYDAVCCVGAVIRGATPHFDYISAEATKGIATVGLKYGKPVSNGVLTTD TIEQAIERAGSKVGNKGAEAMVTIIEMLDLYNEMGK