Involved in DNA non-homologous end joining (NHEJ) required for double-strand break repair and V(D)J recombination. Binds to DNA and to DNA ligase IV (LIG4). The LIG4-XRCC4 complex is responsible for the NHEJ ligation step, and XRCC4 enhances the joining activity of LIG4. Binding of the LIG4-XRCC4 complex to DNA ends is dependent on the assembly of the DNA-dependent protein kinase complex DNA-PK to these DNA ends.
Ig target: DNA double strand break repair and V(D)J recombination protein XRCC4;DNA repair protein XRCC4;SSMED;X ray repair complementing defective repair in Chinese hamster cells 4;X ray repair cross complementing 4;X ray repair cross complementing protein 4;X-ray repair cross-complementing protein 4;XRCC 4;XRCC4;XRCC4
Area di ricerca:Cancer;Epigenetics and Nuclear Signaling
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