Formation of base triplets by non-Watson-Crick bonds mediates homologous recognition in RecA recombination filaments.
收藏PubMed Central1994-06-21 更新2026-05-16 收录
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https://pmc.ncbi.nlm.nih.gov/articles/PMC44158/
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资源简介：
Whereas complementary strands of DNA recognize one another by forming Watson-Crick base pairs, the way in which RecA protein enables a single strand to recognize homology in duplex DNA has remained unknown. Recent experiments, however, have shown that a single plus strand in the RecA filament can recognize an identical plus strand via bonds that, by definition, are non-Watson-Crick. In experiments reported here, base substitutions had the same qualitative and quantitative effects on the pairing of two identical strands in the RecA filament as on the recognition of duplex DNA by a third strand, indicating that similar non-Watson-Crick interactions govern both reactions. IMAGES:
提供机构：
National Academy of Sciences
创建时间：
1994-06-21
