An asymmetric heterodomain interface stabilizes a response regulator-DNA complex.
An asymmetric heterodomain interface stabilizes a response regulator-DNA complex.
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DOI:
10.1038/ncomms4282
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发表时间:
2014
影响因子:
16.6
通讯作者:
Yernool DA
中科院分区:
文献类型:
--
作者:
Narayanan A;Kumar S;Evrard AN;Paul LN;Yernool DA
Two-component signal transduction systems consisting of pairs of histidine kinases and response regulators (RRs) mediate adaptive responses to environmental cues via phosphorylation-triggered inactive to active transition of RRs. Most activated RRs regulate transcription by binding tightly to promoter DNA. The molecular basis for formation of stable RR-DNA complexes that precede the assembly of RNA polymerases is unclear. Here, we present structures of DNA complexed to KdpE, a member of the OmpR/PhoB family. The distinctively asymmetric complex in an active-like conformation reveals a unique intramolecular interface between the receiver domain (RD) and the DNA-binding domain (DBD) of only one of the two RRs in the complex. Structure-function studies show that this RD-DBD interface is necessary to form stable complexes that support gene expression. The conservation of sequence and structure suggest that these findings extend to a large group of RRs that act as transcriptional factors.
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影响因子:
3.2
作者:
Appleby, JL;Bourret, RB
通讯作者:
Bourret, RB
DOI:
10.1107/s0907444904019158
发表时间:
2004-12-01
影响因子:
2.2
作者:
Emsley, P;Cowtan, K
通讯作者:
Cowtan, K
DOI:
10.1107/s0907444909052925
发表时间:
2010-02
期刊:
Acta crystallographica. Section D, Biological crystallography
影响因子:
--
作者:
Adams PD;Afonine PV;Bunkóczi G;Chen VB;Davis IW;Echols N;Headd JJ;Hung LW;Kapral GJ;Grosse-Kunstleve RW;McCoy AJ;Moriarty NW;Oeffner R;Read RJ;Richardson DC;Richardson JS;Terwilliger TC;Zwart PH
通讯作者:
Zwart PH
影响因子:
5.4
作者:
Gao R;Stock AM
通讯作者:
Stock AM
DOI:
10.1107/s0907444909042073
发表时间:
2010-01
期刊:
Acta crystallographica. Section D, Biological crystallography
影响因子:
--
作者:
Chen VB;Arendall WB 3rd;Headd JJ;Keedy DA;Immormino RM;Kapral GJ;Murray LW;Richardson JS;Richardson DC
通讯作者:
Richardson DC