来自大肠杆菌的一种核酸内切酶活性，某些rec-菌株中不存在该活性。
An endonuclease activity from Escherichia coli absent from certain rec- strains.
作者信息
Goldmark P J, Linn S
出版信息
Proc Natl Acad Sci U S A. 1970 Sep;67(1):434-41. doi: 10.1073/pnas.67.1.434.
Abstract
A new endonuclease activity from Escherichia coli which cleaves circular, single-stranded DNA in the presence of added nucleoside triphosphate has been purified. The activity has not been detected in extracts from certain rec(-) strains and is therefore implicated in genetic recombination.
摘要
已从大肠杆菌中纯化出一种新的核酸内切酶活性，该活性在添加核苷三磷酸的情况下可切割环状单链DNA。在某些rec(-)菌株的提取物中未检测到该活性，因此它与基因重组有关。
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