Enzim Restriksi: Béda antara owahan

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[[Gambar:EcoRV Restriction Site.rsh.svg|thumb|right|A palindromic recognition site reads the same on the reverse strand as it does on the forward strand when both are read in the same orientation]]

[[Gambar:SmaI restriction enzyme recognition site.svg|90px]]

'''Ènzim rèstriksi''' utawi '''èndonuklèasè rèstriksi''' inggih punika [[ènzim]] ingkang motong [[molèkul]] [[DNA]].<ref name="biomed"/> Ènzim punika motong DNA ing rangka [[gula]]-[[fosfat]] tanpa ngerusak basa.<ref name="biomed">http://www.bio-medicine.org/biology-definition/Restriction_enzyme/#External_links</ref> Setiap enzim mempunyai [[sekuens]] pengenalan yang unik pada utas DNA, biasanya sepanjang 4-6 [[pasang basa]].<ref name="Philips">Philips T. 2010. Restriction Enzymes Explained. [terhubung berkala]. http://biotech.about.com/od/proteinengineering/a/restrictenz.htm [4 Nopember 2012].</ref>