Forks, pincers, and triggers: the tools for nucleotide incorporation and translocation in multi-subunit RNA polymerases.
Forks, pincers, and triggers: the tools for nucleotide incorporation and translocation in multi-subunit RNA polymerases.
复制标题
DOI:
10.1016/j.sbi.2009.10.008
复制
发表时间:
2009-12
影响因子:
6.8
通讯作者:
Kennedy, Scott R.
中科院分区:
文献类型:
--
作者:
Erie, Dorothy A.;Kennedy, Scott R.
The central role of RNA polymerase (RNAP) is to catalyze the processive synthesis of a growing RNA transcript. Recent structural and biophysical data have lead to a deeper understanding of the nucleotide addition cycle and insight into the structure-function relationships that govern transcription elongation. In this review, we discuss kinetic data on nucleotide incorporation in the context of crystal structures, which show RNAP in multiple conformations. We present a facilitated Brownian ratchet model of nucleotide incorporation, in which templated NTP binding to a non-catalytic site in the main channel promotes the conformational changes that lead to opening of the catalytic site and translocation.
登录
查看更多内容
影响因子:
14.9
作者:
Naji S;Bertero MG;Spitalny P;Cramer P;Thomm M
通讯作者:
Thomm M
影响因子:
13.8
作者:
Landick, R
通讯作者:
Landick, R
影响因子:
16
作者:
Kireeva, Maria L.;Nedialkov, Yuri A.;Kashlev, Mikhail
通讯作者:
Kashlev, Mikhail
影响因子:
64.5
作者:
Artsimovitch, I;Patlan, V;Vassylyev, DG
通讯作者:
Vassylyev, DG
影响因子:
16.8
作者:
Damsma, Gerke E.;Alt, Aaron;Cramer, Patrick
通讯作者:
Cramer, Patrick