>sp|P25983|PYRK_BACSU Dihydroorotate dehydrogenase B (NAD(+)), electron transfer subunit OS=Bacillus subtilis GN=pyrK MKKAYLTVCSNQQIADRVFQMVLKGELVQGFTTPGQFLHLKVSEAVTPLLRRPISIADVN FEKNEVTIIYRVDGEGTRLLSLKQQGELVDVLGPLGNGFPVNEVQPGKTALLVGGGVGVP PLQELSKRLIEKGVNVIHVLGFQSAKDVFYEEECRQYGDTYVATADGSYGETGFVTDVIK RKKLEFDILLSCGPTPMLKALKQEYAHKEVYLSMEERMGCGIGACFACVCHTNESETSYV KVCLDGPVFKAQEVAL