>sp|Q2NZ91|RISB_XANOM 6,7-dimethyl-8-ribityllumazine synthase OS=Xanthomonas oryzae pv. oryzae GN=ribH MTHYEGDLRPPTARFAIIASRWNARITDVLVAGARQSLAGNGIGEDAIDVIRVPGAWEIP VAANRVAQSGQHGAIIALGCVIRGDTRHYEHVADLCAEGLMSVQLQTGVPVLNGVLAVER VEDAEARAGGSHGNKGEECALAALELVNLMELLP