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单词 RNAse H
释义

RNAse H

英语百科

Ribonuclease H

(重定向自RNAse H)
Proposed HIV-1 RNase H mechanism

Ribonuclease H (RNase H) is a family of non-sequence-specific endonucleases that catalyze the cleavage of RNA via a hydrolytic mechanism. Members of the RNase H family can be found in nearly all organisms, from bacteria to archaea to eukaryotes.

RNase H’s ribonuclease activity cleaves the 3’-O-P bond of RNA in a DNA/RNA duplex substrate to produce 3’-hydroxyl and 5‘-phosphate terminated products. In DNA replication, RNase H is responsible for removing the RNA primer, allowing completion of the newly synthesized DNA.

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