>tr|A0A8F5BRS3|A0A8F5BRS3_SACSH 6,7-dimethyl-8-ribityllumazine synthase OS=Saccharolobus shibatae GN=ribH MQEKSIRLGIVVAEFNYDITQLMLQKALSHAKFLNAEVKVVIKVPGTFDMPLAIKKLLEK DFIDAVVTLGAVIKGETKHDEIVASQTARKIVDLSTEFNKPVTLGIIGHGATHEQAVERI EEYATRAVEAAIKLVQRTRKIDELKEVKETVIID