Distinct tRNA Accommodation Intermediates Observed on the Ribosome with the Antibiotics Hygromycin A and A201A.
Distinct tRNA Accommodation Intermediates Observed on the Ribosome with the Antibiotics Hygromycin A and A201A.
复制标题
DOI:
10.1016/j.molcel.2015.04.014
复制
发表时间:
2015-06-04
期刊:
影响因子:
16
通讯作者:
Wilson, Daniel N.
中科院分区:
文献类型:
--
作者:
Polikanov, Yury S.;Starosta, Agata L.;Juette, Manuel F.;Altman, Roger B.;Terry, Daniel S.;Lu, Wanli;Burnett, Benjamin J.;Dinos, George;Reynolds, Kevin A.;Blanchard, Scott C.;Steitz, Thomas A.;Wilson, Daniel N.
The increase in multi-drug resistant bacteria is limiting the effectiveness of currently approved antibiotics, leading to a renewed interest in antibiotics with distinct chemical scaffolds. We have solved the structures of the Thermus thermophilus 70S ribosome with A-, P- and E-site tRNAs bound, and in complex with either the aminocyclitol-containing antibiotic hygromycin A (HygA) or the nucleoside antibiotic A201A. Both antibiotics bind at the peptidyl transferase center and sterically occlude the CCA-end of the A-tRNA from entering the A-site of the peptidyl transferase center. Single-molecule Förster resonance energy transfer (smFRET) experiments reveal that HygA and A201A specifically interfere with full accommodation of the A-tRNA, leading to the presence of tRNA accommodation intermediates, and thereby inhibiting peptide bond formation. Thus, our results provide not only insight into the mechanism of action of HygA and A201A, but also into the fundamental process of tRNA accommodation during protein synthesis.
登录
查看更多内容
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
影响因子:
2.7
作者:
HECKER, SJ;LILLEY, SC;WERNER, KM
通讯作者:
WERNER, KM
影响因子:
2.7
作者:
JAYNES, BH;COOPER, CB;WERNER, KM
通讯作者:
WERNER, KM
影响因子:
16.6
作者:
Donohoe, Timothy J.;Flores, Aida;Churruca, Fatima
通讯作者:
Churruca, Fatima
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