Structural basis of transcription: Separation of RNA from DNA by RNA polymerase II

被引:214
作者
Westover, KD [1 ]
Bushnell, DA [1 ]
Kornberg, RD [1 ]
机构
[1] Stanford Univ, Sch Med, Dept Biol Struct, Stanford, CA 94305 USA
关键词
D O I
10.1126/science.1090839
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
The structure of an RNA polymerase II-transcribing complex has been determined in the posttranslocation state, with a vacancy at the growing end of the RNA-DNA hybrid helix. At the opposite end of the hybrid helix, the RNA separates from the template DNA. This separation of nucleic acid strands is brought about by interaction with a set of proteins loops in a strand/loop network. Formation of the network must occur in the transition from abortive initiation to promoter escape.
引用
收藏
页码:1014 / 1016
页数:3
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