passages.id: split_6_test_1332_passage
passages.type: progene_text
passages.text: Alignment of partial predicted sigma(E) amino acid sequences from three BACILLUS : spp. , Paenibacillus polymyxa and five CLOSTRIDIUM : spp. revealed that amino acid residues previously reported to be involved in promoter utilization ( M124 , E119 and N120 ) and strand opening ( C117 ) are conserved among all these species .