DNA polymerase processivity factor

UniProtKB accession:  P16790

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UniProtKB description:  Accessory subunit of the DNA polymerase that plays an essential role in viral DNA replication and acts by increasing the processivity of polymerization (PubMed:20538862, PubMed:20739543, PubMed:33967989). Forms dimers that binds to double-stranded DNA and UL54 specifically to stimulates long chain DNA synthesis efficiently. Plays an important role in maintaining the structure of viral replication compartments by interacting with host nucleolin/NUC (PubMed:22318319). In addition, suppresses innate immune responses through effects on host IRF3 and NF-kappa-B. Mechanistically, interfere with the binding of IRF3 and the p65 NF-kappa-B subunit to the promoters of antiviral genes, thereby inhibiting the expression of these genes (PubMed:30867312).