Abstract
The energy of interaction between complementary nucleotides in promoter sequences of E. coli was calculated and visualized. The graphic method for presentation of energy properties of promoter sequences was elaborated on. Data obtained indicated that energy distribution through the length of promoter sequence results in picture with minima at −35, −8 and +7 regions corresponding to areas with elevated AT (adenine-thymine) content. The most important difference from the random sequences area is related to −8. Four promoter groups and their energy properties were revealed. The promoters with minimal and maximal energy of interaction between complementary nucleotides have low strengths, the strongest promoters correspond to promoter clusters characterized by intermediate energy values.
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Berezhnoy, A.Y., Shckorbatov, Y.G. Dependence of the E. coli promoter strength and physical parameters upon the nucleotide sequence. J Zheijang Univ Sci B 6, 1063–1068 (2005). https://doi.org/10.1631/jzus.2005.B1063
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DOI: https://doi.org/10.1631/jzus.2005.B1063