recognition site | definition

a specific, often palindromic, DNA sequence recognized by a restriction enzyme that is typically four to six base pairs long and reads the same in the 5ʹ to 3ʹ direction on one strand as it does in the 5ʹ to 3ʹ direction on the complementary strand


Parker, N., Schneegurt, M., Thi Tu, A.-H., Forster, B. M., & Lister, P. (n.d.). Microbiology. Houston, Texas: OpenStax. Access for free at:



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