>sp|Q31KZ5|RISB_SYNE7 6,7-dimethyl-8-ribityllumazine synthase OS=Synechococcus elongatus GN=ribH MAVFEGSFVNASQFRLAVVIGRFNDLVCEKLLAGCQDCLKRHGVDPDPQGTQVDYAWVPG SFEIPLVARQLALTGRYDAIICLGAVIRGQTPHFDYVASEVAKGVAATSLQTGIPIAFGV LTVDNLQQALERAGIKSNLGWNYALSALEMASLMHQIRSTTGEVPRQTLPLAAAPSNFAG T