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Overview
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PCNA is a protein encoded by the PCNA gene which is approximately 28, 7 kDa. PCNA is localised to the nucleus. It is involved in the telomere C-strand synthesis and trans-lesion synthesis. It is found in the nucleus and is a cofactor of DNA polymerase-delta. It acts as a homotrimer and helps increase the processivity of leading strand synthesis during DNA replication. In response to DNA damage, this protein is ubiquitinated and is involved in the RAD6-dependent DNA repair pathway. PCNA is expressed in the liver, lung, bone marrow, muscle and kidney. Mutations in the PCNA gene may result in ataxia-telangiectasia-like disorder. STJ96933 was developed from clone 12D10 and was affinity-purified from mouse ascites by affinity-chromatography using specific immunogen. This antibody detects endogenous PCNA protein.
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Overview