>sp|B5E6C6|RISB_STRP4 6,7-dimethyl-8-ribityllumazine synthase OS=Streptococcus pneumoniae serotype 19F GN=ribH MNTYEGNLVANNIKIGIVVARFNEFITSKLLSGALDNLKRENVNEKDIEVAWVPGAFEIP LIASKMAKSKKYDAIICLGAVIRGNTSHYDYVCSEVSKGIAQISLNSEIPVMFGVLTTDT IEQAIERAGTKAGNKGSECAQGAIEMVNLIRTLDA