>sp|A1RHD5|RISB_SHESW 6,7-dimethyl-8-ribityllumazine synthase OS=Shewanella sp. GN=ribH MNIVQGNIEAKNAKVAIVISRFNSFLVESLLEGALDTLKRFGQVSDDNITVVRVPGAVEL PLAARRVAASGKFDGIIALGAVIRGGTPHFDFVAGECNKGLAQVALEFDLPVAFGVLTTD TIEQAIERSGTKAGNKGGEAALSLLEMVNVLQELEQQL