Article
Structural mechanisms of the degenerate sequence recognition by Bse634I restriction endonuclease.
Nucleic acids research - 1 Aug 2012
Manakova Elena, Grazulis Saulius, Zaremba Mindaugas, Tamulaitiene Giedre, Golovenko Dmitrij, Siksnys Virginijus
Abstract excerpt
Restriction endonuclease Bse634I recognizes and cleaves the degenerate DNA sequence 5'-R/CCGGY-3' (R stands for A or G; Y for T or C, '/' indicates a cleavage position). Here, we report the crystal structures of the Bse634I R226A mutant complexed with cognate oligoduplexes containing ACCGGT and GCCGGC sites, respectively. In the crystal, all potential H-bond donor and acceptor atoms on the base edges of the...
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