Crystal structure of a reverse polymerase.
作者信息
Perona John J, Oza Javin P
机构信息
Department of Chemistry and Biochemistry and Interdepartmental Program in Biomolecular Science and Engineering, University of California, Santa Barbara, CA 93106-9510, USA.
出版信息
Proc Natl Acad Sci U S A. 2010 Nov 23;107(47):20149-50. doi: 10.1073/pnas.1015283107. Epub 2010 Nov 15.
Abstract
摘要
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tRNA(His) guanylyltransferase (THG1), a unique 3'-5' nucleotidyl transferase, shares unexpected structural homology with canonical 5'-3' DNA polymerases.tRNA（His）鸟苷酰转移酶（THG1）是一种独特的 3'-5'核苷酸转移酶，与典型的 5'-3' DNA 聚合酶具有出人意料的结构同源性。
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The requirement for the highly conserved G-1 residue of Saccharomyces cerevisiae tRNAHis can be circumvented by overexpression of tRNAHis and its synthetase.高度保守的酿酒酵母 tRNAHis 的 G-1 残基要求可以通过过量表达 tRNAHis 和其合成酶来规避。
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