Nick Induced Dynamics in Supercoiled DNA Facilitates the Protein Target Search Process
Sangeeta,
Arnab Bhattacherjee
Abstract:A DNA nick, defined as a discontinuity
in a double-stranded
DNA
molecule where the phosphodiester bond between adjacent nucleotides
of one strand is absent due to enzyme action, serves as an effective
mechanism to alleviate stress in supercoiled DNA. This stress release
is essential for the smooth operation of transcriptional machinery.
However, the underlying mechanisms and their impact on protein search
dynamics, which are crucial for initiating transcription, remain unclear.
Through extensive computer simul… Show more
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