Glossary Term
Exonuclease
PCR TermsEN
Definition
An Exonuclease is a hydrolase (nuclease) that specifically catalyzes the hydrolysis of terminal phosphodiester bonds of deoxyribonucleotide or ribonucleotide chains, releasing mononucleotides.
Extended Notes
Source: National Cancer Institute, NCI Thesaurus 26.09d, C16242. NCI definition, reproduced without modification under CC BY 4.0. Source identity and definition checked automatically on 2026-10-20. No individual clinical interpretation or human reviewer is asserted.
Also Known As
Exonuclease