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北京石油化工学院2026年研究生招生接收调剂公告
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lxj341401

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dhd997(金币+5, MolEPI+1): good 2011-09-05 18:45:51
baiyal2000(金币+1): 2011-09-09 10:50:26
Description:
Nt.BbvCI is a nicking endonuclease that cleaves only one strand of DNA on a double-stranded DNA substrate.
Source:
An E. coli strain expressing an altered form of the BbvCI restriction genes [Ra(K169E):Rb+] from Bacillus brevis (L. Ge).
识别位点、作用方式等见以下链接:
http://www.neb.com/nebecomm/products/productR0632.asp
2楼2011-09-05 09:54:53
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labrat

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dhd997(金币+5, MolEPI+1): good 2011-09-05 18:46:04
baiyal2000(金币+2): 2011-09-09 10:50:31
Abstract—Nicking endonucleases are a new type of enzymes. Like restriction endonucleases, they recognize short specific DNA sequence and cleave DNA at a fixed position relatively to the recognition sequence. However, unlike restriction
endonucleases, nicking endonucleases cleave only one predetermined DNA strand. Until recently, nicking endonucleases were suggested to be naturally mutated restriction endonucleases which had lost their ability to dimerize and as a result the ability to cleave the second strand.

Recognition Site:
5'...CCTCAGC...3'
3'...GGAGT(cut site)CG...5'

Ref: http://www.protein.bio.msu.su/bi ... 74/pdf/bcm_1457.pdf
4楼2011-09-05 13:22:50
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