Biology as Poetry: Biotechnology

Bacteriophage Ecology Group

Restriction Site

Base sequence recognized for specific cutting by endonuclease enzymes.

Restriction sites are the locations of recognition sequences for restriction enzymes (a.k.a., restriction endonucleases), that is, for restriction enzyme recognition sequences. Typically these sites are palindromic, i.e., are the same sequence read in one direction on one strand and in the other direction on the complementary strand.

Restriction sites are where DNA is the course of restriction digests.

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