>tr|A0A843MAJ6|A0A843MAJ6_9EURY Transcription initiation factor IIB OS=Methanobrevibacter sp GN=tfb MQGDVYDKDKQTVCPECGSTELIGDYERAEVVCAHCGLVIDENLVDMGPEWRAFDHEQRD KRTRVGAPITYTIHDKGLSTMIDWRNKDIYGRDIPARNRAQWYRLRKWQRKIRISGATER NLAFALSELDRDSSRLGLPRSVREAASVVYRSAVDNKLIRGRSIEGVVAASLYAACRRCN VPRTLDEIAEVSRVTKKEVGRTYRFLTRELNIKLPPTSPVDYVPRFASELGLSGEAQSRA IEIIEKAMEKGLTSGRGPTGVAAAALYIASVLLGERKTQRDVADIAGVTEVTIRNRYKEL TEQLEMGVTL