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Single-stranded DNA (ssDNA) bidirectional exonuclease involved in DNA repair. Probably involved in DNA repair following ultraviolet (UV) irradiation and interstrand cross-links (ICLs) damage. Has both 5'-3' and 3'-5' exonuclease activities with a strong preference for 5'-ends. Acts as a sliding exonuclease that loads at ssDNA ends and then slides along the ssDNA prior to cutting; however the sliding and the 3'-5' exonuclease activities are abolished upon binding to the replication protein A (RPA) complex that enforces 5'- directionality activity.
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Protein Aliases: defects in morphology 1 homolog; Defects in morphology protein 1 homolog; Defects in morphology protein 1-like; Exo V; exonuclease 5; Exonuclease V; probable exonuclease V
Gene Aliases: 3110037I16Rik; AV297100; C1orf176; DEM1; Exo V; EXO5; hExo5; mExo5
UniProt ID: (Human) Q9H790, (Mouse) Q9CXP9
Entrez Gene ID: (Human) 64789, (Mouse) 73172, (Chinese hamster) 100753327
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