>sp|P61711|RISB2_BRUAB 6,7-dimethyl-8-ribityllumazine synthase 2 OS=Brucella abortus biovar 1 GN=ribH2 MNQSCPNKTSFKIAFIQARWHADIVDEARKSFVAELAAKTGGSVEVEIFDVPGAYEIPLH AKTLARTGRYAAIVGAAFVIDGGIYRHDFVATAVINGMMQVQLETEVPVLSVVLTPHHFH ESKEHHDFFHAHFKVKGVEAAHAALQIVSERSRIAALV