2014年9月19日 Science

nero1981

2014年9月19日 Science, {5 e! r: c  c; ]+ X6 A  z

, y( Z5 D! d: L: l# m3 zCOVER Artist's impression of how a bacterial immune complex, called Cascade (foreground structure), from the CRISPR-Cas system recognizes invading DNA (red-blue-black strand) from a bacteriophage. Cascade, a complex of 11 proteins and a guide RNA, uses the sequence of the guide RNA to detect invading DNA. See pages 1452, 1473, and 1479 for a close-up look at Cascade before and after it binds to its target DNA.Illustration: Valerie Altounian/Science; protein coordinate data supplied by Scott Bailey
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启昶

OVER Artist's impression of how a bacterial immune complex,

懵懂干细胞

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千细胞

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zhzliang

好的，谢谢！

hlwfreedom

: 2014年9月19日 Science [修改]

kejiadong

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