>sp|Q92QU0|RISB1_RHIME 6,7-dimethyl-8-ribityllumazine synthase 1 OS=Rhizobium meliloti GN=ribH1 MAKIKPVHILIVEARFYDDMADAMLDGAKHALDAAGATYDIVTVPGALEIPAAIAMALDG ADEGGAEYDGFVALGMVIRGETYHFDIVANESARALMDLAVSESLALGNGILTVENDEQA WARARRTEGDKGGFAARAALTMIELKQRLGAEK