passages.id: split_1_test_1317_passage
passages.type: progene_text
passages.text: The nucleotide sequence that determines the cry4A - P1 promoter is homologous to the consensus sequence for the promoter of sigma E - specific genes in B. subtilis , and to those promoters of the insecticidal protein genes that are efficiently transcribed in vitro with the RNA polymerase E sigma 35 isolated from B. thuringiensis .