STOICHIOMETRY OF THE CRE RECOMBINASE BOUND TO THE LOX RECOMBINING SITE

被引:49
作者
MACK, A [1 ]
SAUER, B [1 ]
ABREMSKI, K [1 ]
HOESS, R [1 ]
机构
[1] DUPONT MERCK PHARMACEUT CO,EXPTL STN,BOX 80328,WILMINGTON,DE 19880
关键词
D O I
10.1093/nar/20.17.4451
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The site-specific recombinase Cre from bacteriophage P1 binds and carries out recombination at a 34 bp lox site. The lox site consists of two 13 bp inverted repeats, separated by an 8 bp spacer region. Both the palindromic nature of the site and the results of footprinting and band shift experiments suggest that a minimum of two Cre molecules bind to a lox site. We report here experiments that demonstrate the absolute stoichiometry of the Cre-lox complex to be one molecule of Cre bound per inverted repeat, or two molecules per lox site.
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收藏
页码:4451 / 4455
页数:5
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