Crystallization and preliminary X-ray diffraction analysis of the small subunit of the heterodimeric restriction endonuclease R.BspD6I.

Galina S Kachalova,Alfiya K Yunusova,Rimma I Artyukh,Eugeny A Rogulin,Tatyana A Perevyazova,Ludmila A Zheleznaya,Nickolay I Matvienko,Hans D Bartunik

Acta crystallographica. Section F, Structural biology and crystallization communications（2007）

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摘要

The heterodimeric restriction endonuclease R.BspD6I is composed of a small subunit with a cleavage site and a large subunit, containing a recognition domain and a cleavage domain, that may function separately as a monomeric nicking endonuclease. Here, the crystallization of the small subunit and diffraction data collection to 1.5 A resolution are reported.

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关键词

restriction endonuclease,crystallization,x ray diffraction,protein subunits,escherichia coli

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