na-agafe n'okpuru ma zaa ajụjụ ahụ mgbe e mesịrị n'otu asụsụ ahụ dị ka akụkụ ahụ: Ntughari: Nucleases bụ enzymes nke na-egbutu eriri DNA site na catalyzing hydrolysis nke phosphodiester bonds. A na-akpọ nucleases nke na-egbutu nucleotides site na njedebe nke eriri DNA bụ exonucleases, ebe endonucleases na-egbutu n'ime eriri. Ihe ndị a na-ejikarị eme ihe na molecular biology bụ mgbochi mgbochi, nke na-egbutu DNA na usoro dị iche iche. Dịka ọmụmaatụ, enzyme EcoRV nke egosiri n'aka ekpe na-amata usoro 6-base 5′-GATC-3′ ma na-eme ka ọkpụkpụ dị na ahịrị dị larịị. Na okike, enzymes ndị a na-echebe nje bacteria site na ịmịcha DNA phage mgbe ọ na-abanye na sel bacteria, dịka akụkụ nke usoro mgbochi. Na teknụzụ, a na-eji usoro nucleases ndị a na-eme ihe na DNA na mkpịsị aka mkpịsị aka. Ajụjụ: Gịnị ka en
6-base usoro 5′-GATATC-3