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Ydc2 protein domain

The meaning of «ydc2 protein domain»

In molecular biology, the protein domain, Ydc2 (also known as SpCce1), is a Holliday junction resolvase from the fission yeast Schizosaccharomyces pombe that is involved in the maintenance of mitochondrial DNA.

In molecular biology, the Ydc2 domains are enzymes, or in other words biological catalysts, capable of resolving Holliday junctions into separate DNA duplexes by cleaving DNA after 5'-CT-3, and 5'-TT-3, sequences.

The junction resolving enzymes are very diverse, but have the following properties in common:

Furthermore, the cleavage efficiency is affected by:

This protein domain forms a ribonuclease H fold consisting of two beta sheets and one alpha helix, arranged as a beta-alpha-beta motif. Each beta sheet has five strands, arranged in a 32145 order, with the second strand being antiparallel to the rest.[2]

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