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RNase III

Ribonuclease III domain
PDB 1yyw EBI.jpg
Ribonuclease III structure interacting with double stranded RNA.
Identifiers
Symbol RNase_III
Pfam PF00636
InterPro IPR000999
PROSITE PDOC00448
SCOP 1jfz
SUPERFAMILY 1jfz

Ribonuclease III (RNase III or RNase C)(BRENDA 3.1.26.3) is a type of ribonuclease that recognizes dsRNA and cleaves it at specific targeted locations to transform them into mature RNAs. These enzymes are a group of endoribonucleases that are characterized by their ribonuclease domain, which is labelled the RNase III domain. They are ubiquitous compounds in the cell and play a major role in pathways such as RNA precursor synthesis, RNA Silencing, and the pnp autoregulatory mechanism.

Within the RNase III superfamily, there are four known classes: 1, 2, 3, and 4. Each class is defined by both its functional and structural differences.

Class 1 RNase III

Class 2 RNase III

Class 3 RNase III

Class 4 RNase III

This article incorporates text from the public domain Pfam and InterPro IPR000999


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