2转录过程转录启动 原核生物转录 The nucleotide sequences of representative E coli promoters Gene -35 region Pribnow box Initiation (-l0 region) site(+l) araBAD GGATCCTACCTGACGCTTTTTATCGCAACTCTCTACTGTTTCTCCATACCCGTTTTT arac GCCGTGATTATAGACACTTTTGTTACGCGTTTTTGTCATGGCTTTGGTCCCGCTTTG TTCCAAAACGTGTTTTTTGTTGTTAATTCGGTGTAGACTTGTAAACCTAAATCTTTT CATAATCGACTTGTAAACCAAATTGAAAAGATTTAGGTTTACAAGTCTACACCGAAT ATTTATTCCATGTCACAGTTTTCGCATCTTTGTTATGCTATGGTTATTTCATACCAT ACCCCAGGCTTTACACTTTATGCTTCCGGCTCGTATGTTGTGTGGAATTGTGAGCGG lacl CCATCGAATGGCGCAAAACCTTTCGCGGTATGGCATGATAGCGCCCGGAAGAGAGTC rmAI AAAATAAATGCTTGACTCTGTAGCGGGAAGGCGTATTATCACACCCCCGCGCCGCTG rnD/ CAAAAAAATACTTGTGCAAAAAATTGGGATCCCTATAATGCGCCTCCGTTGAGACGA rrnEI CAATTTTTCTATTGCGGCCTGCGGAGAACTCCCTATAATGCGCCTCCATCGACACGG RNAT CAACGTAACACTTTACAGCGGCGCGTCATTTGATATGATGCGCCCCGCTTCCCGATA AAATGAGCTGTTGACAATTAATCATCGAACTAGTTAACTAGTACGCAAGTTCACGTA Initiation -$5 region Pribnow box sequence. T CTTGA C A T…-15bpl… TATA A I…|5-8bpl A 4238828796453454 79954459596The nucleotide sequences of representative E. coli promoters 2.转录过程-转录启动 二. 原核生物转录