Conserved Protein Domain Family
PSY3

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cl25146: PSY3 Superfamily 
Shu complex component Psy3, DNA-binding description
PSY3 is one of the components of the yeast Shu complex that maintains genomic stability during replication. Psy3 complexes first with Cms2, and their L2 loops confer the DNA-binding activity to the Shu complex. The Shu complex binds to recombination sites and is required for Rad51 assembly and function during meiosis. The heterodimer of Psy3-Csm2 stabilizes the Rad51-single-stranded DNA complex independently of nucleotide cofactor because Psy3-Csm2 is a structural mimic of the Rad51-dimer.
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Accession: cl25146
PSSM Id: 420895
Name: PSY3
Created: 2-Feb-2016
Updated: 24-Nov-2020
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