>sp|Q5LCI2|PYRDB_BACFN Dihydroorotate dehydrogenase B (NAD(+)), catalytic subunit OS=Bacteroides fragilis GN=pyrD MADLSVNIGKLQMKNPVMTASGTFGYGEEFADFIDITRIGGIIVKGTTLHKREGNPYPRM AETPSGMLNAVGLQNKGVEYFSNHIYPRIKDIQTHMIVNVSGSAIEDYVKTAEIINELDK IPAIELNISCPNVKQGGMAFGVTTKGVSEVVQAVRSAYKKTLIVKLSPNVTDIAEMARAA EANGADSVSLINTLLGMAIDAERKRPILSTVTGGMSGAAVKPIALRMVWQVAKAVNIPVI GLGGIMNWKDAVEFMLAGASAIQIGTANFIDPAITIKVIDGINDYLERHGCKSVSEIIGA LEV