Recognition of the codon-anticodon helix by ribosomal RNA.
Recognition of the codon-anticodon helix by ribosomal RNA.
复制标题
核糖体 RNA 识别密码子-反密码子螺旋。
DOI:
10.1126/science.285.5434.1722
复制
发表时间:
1999
期刊:
影响因子:
--
通讯作者:
Puglisi,JD
中科院分区:
文献类型:
--
作者:
Yoshizawa,S;Fourmy,D;Puglisi,JD
Translational fidelity is established by ribosomal recognition of the codon-anticodon interaction within the aminoacyl–transfer RNA (tRNA) site (A site) of the ribosome. Experiments are presented that reveal possible contacts between 16Sribosomal RNA and the codon-anticodon complex. N1 methylation of adenine at position 1492 (A1492) and A1493 interfered with A-site tRNA binding. Mutation of A1492 and A1493 to guanine or cytosine also impaired A-site tRNA binding. The deleterious effects of A1492G or A1493G (or both) mutations were compensated by 2′fluorine substitutions in the mRNA codon. The results suggest that the ribosome recognizes the codon-anticodon complex by adenine contacts to the messenger RNA backbone and provide a mechanism for molecular discrimination of correct versus incorrect codon-anticodon pairs.
登录
查看更多内容
影响因子:
14.9
作者:
H. Aurup;A. Siebert;F. Benseler;D. Williams;F. Eckstein
通讯作者:
F. Eckstein
影响因子:
2.9
作者:
R. Lill;J. M. Robertson;W. Wintermeyer
通讯作者:
W. Wintermeyer
影响因子:
5.6
作者:
S. Watanabe
通讯作者:
S. Watanabe
影响因子:
3.5
作者:
S. Kirillov;E. Makarov;Y. Semenkov
通讯作者:
Y. Semenkov
影响因子:
4.8
作者:
Anatolij P. Potapov;F. Triana;K. Nierhaus
通讯作者:
K. Nierhaus