Type III restriction-modification enzyme EcoP15I Res subunit
UniProtKB accession: Q5ZND2
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Go to UniProtKB: Q5ZND2
UniProtKB description: A type III restriction enzyme that recognizes 2 inversely oriented double-stranded sequences 5'-CAGCAG-3' and cleaves DNA 25-27 base pairs downstream of one site. DNA restriction requires both the Res and Mod subunits (PubMed:11178902, PubMed:15464603). DNA topology affects its action; relaxed and negatively supercoiled DNA are digested but positively supercoiled DNA is not a good substrate (PubMed:11178902). Interacts with DNA approximately one half-turn downstream of the recognition site (PubMed:26067164). After binding to one recognition site undergoes random one-dimensional diffusion along DNA until it collides with a stationary enzyme bound to the second DNA site, which is when DNA cleavage occurs (Probable).
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