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Search results 1 to 1 out of 1 for Zgrf1

Category restricted to ProteinDomain (x)

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Category: ProteinDomain
Type Details Score
Protein Domain
Type: Domain
Description: This domain can be found in proteins that have been implicated in telomere maintenance in Saccharomyces cerevisiae []and in meiotic chromosome segregation in Schizosaccharomyces pombe []. It can also be found in Mte1 (Mph1-associated telomere maintenance protein 1), human zinc finger protein ZGRF1 (C4ORF21) and fission yeast Dbl2 []. Mte1 is a D-loop-binding protein that interacts and stimulates the helicase and fork regression activities of Mph1 while inhibiting the ability of Mph1 to dissociate recombination intermediates. Mph1 and Mte1 interdependently colocalise at DNA damage-induced foci and dysfunctional telomeres. Mte1 is indicated to play a role in regulation of crossover recombination, response to replication stress, and telomere maintenance []. The fission yeast, Dbl2 is needed for cellular resistance to the topoisomerase I poison camptothecin, forms DNA damage-induced foci, and is needed for the optimal recruitment of Fml1 to DNA damage, while the human ZGRF1 protein has been linked to DNA cross-link repair and mutations of it have been found in a variety of human tumors []. ZGRF1 is a 5'-to-3'helicase that interacts with RAD51 and stimulates homologous recombination and, thus, promotes the repair of replication-blocking DNA lesions []. Having said that, there is no evidence to suggest that this domain is implicated in DNA damage resistance or for nuclear focus formation [].