>sp|Q97R65|PYRDB_STRPN Dihydroorotate dehydrogenase B (NAD(+)), catalytic subunit OS=Streptococcus pneumoniae serotype 4 GN=pyrDB MTTNRLQVSLPGLDLKNPIIPASGCFGFGQEYAKYYDLDLLGSIMIKATTLEPRFGNPTP RVAETPAGMLNAIGLQNPGLEVVLAEKLPWLEREYPNLPIIANVAGFSKQEYAAVSHGIS KATNVKAIELNISCPNVDHCNHGLLIGQDPDLAYDVVKAAVEASEVPVYVKLTPSVTDIV TVAKAAEDAGASGLTMINTLVGMRFDLKTRKPILANGTGGMSGPAVFPVALKLIRQVAQT TDLPIIGMGGVDSAEAALEMYLAGASAIGVGTANFTNPYACPDIIENLPKVMDKYGISSL EELRQEVKESLR