>sp|P61712|RISB2_BRUME 6,7-dimethyl-8-ribityllumazine synthase 2 OS=Brucella melitensis biotype 1 GN=ribH2 MNQSCPNKTSFKIAFIQARWHADIVDEARKSFVAELAAKTGGSVEVEIFDVPGAYEIPLH AKTLARTGRYAAIVGAAFVIDGGIYRHDFVATAVINGMMQVQLETEVPVLSVVLTPHHFH ESKEHHDFFHAHFKVKGVEAAHAALQIVSERSRIAALV