>sp|C3MZ62|RISB_SULIA 6,7-dimethyl-8-ribityllumazine synthase OS=Sulfolobus islandicus GN=ribH MQGKSIRLGIVVAEFNYDITQLMLQKALSHAKFLNAEVKVVIKVPGTFDMPLAIKKLLEK DFIDAVVTLGAVIKGETKHDEIVASQTARKIVDLSTEFNKPVTLGIIGHGATHEQAVERI EEYATRAVEAAIKLVQRTRKIDELKEVKETVIID