The binding mode of orphan glycyl-tRNA synthetase with tRNA supports the synthetase classification and reveals large domain movements.
The binding mode of orphan glycyl-tRNA synthetase with tRNA supports the synthetase classification and reveals large domain movements.
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DOI:
10.1126/sciadv.adf1027
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发表时间:
2023-02-10
期刊:
影响因子:
13.6
通讯作者:
Zhou, Huihao
中科院分区:
文献类型:
--
作者:
Han, Lu;Luo, Zhiteng;Ju, Yingchen;Chen, Bingyi;Zou, Taotao;Wang, Junjian;Xu, Jun;Gu, Qiong;Yang, Xiang-Lei;Schimmel, Paul;Zhou, Huihao
As a class of essential enzymes in protein translation, aminoacyl–transfer RNA (tRNA) synthetases (aaRSs) are organized into two classes of 10 enzymes each, based on two conserved active site architectures. The (αβ)2 glycyl-tRNA synthetase (GlyRS) in many bacteria is an orphan aaRS whose sequence and unprecedented X-shaped structure are distinct from those of all other aaRSs, including many other bacterial and all eukaryotic GlyRSs. Here, we report a cocrystal structure to elucidate how the orphan GlyRS kingdom specifically recognizes its substrate tRNA. This structure is sharply different from those of other aaRS-tRNA complexes but conforms to the clash-free, cross-class aaRS-tRNA docking found with conventional structures and reinforces the class-reconstruction paradigm. In addition, noteworthy, the X shape of orphan GlyRS is condensed with the largest known spatial rearrangement needed by aaRSs to capture tRNAs, which suggests potential nonactive site targets for aaRS-directed antibiotics, instead of less differentiated hard-to-drug active site locations. Cocrystal structure of orphan GlyRS-tRNA complex provides insights into aaRS classifications and antibiotics discovery.
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影响因子:
14.9
作者:
Jühling F;Mörl M;Hartmann RK;Sprinzl M;Stadler PF;Pütz J
通讯作者:
Pütz J
影响因子:
4.8
作者:
Deng, Xiangyu;Qin, Xiangjing;Xie, Wei
通讯作者:
Xie, Wei
影响因子:
16.6
作者:
Chen B;Luo S;Zhang S;Ju Y;Gu Q;Xu J;Yang XL;Zhou H
通讯作者:
Zhou H
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
影响因子:
64.5
作者:
Fukai, S;Nureki, O;Yokoyama, S
通讯作者:
Yokoyama, S