DNA Polymerase, gamma (DNA Polymerase Subunit gamma-1, Mitochondrial DNA Polymerase Catalytic Subunit, PolG-alpha, POLG, MDP1, POLG1, POLGA)

As the only DNA polymerase (pol) present in mitochondria, DNA polymerase gamma (POLG) is necessarily implicated in base excision repair processes to correct oxidative damage to the mitochondrial genome. Therefore, the ability of the catalytic subunit of human POLG has been tested to participate in uracil-provoked base excision repair reconstituted in vitro with purified components. Subsequent to actions of uracil-DNA glycosylase and apurinic/apyrimidinic endonuclease, human POLG is able to fill a single nucleotide gap in the presence of a 5' terminal deoxyribose phosphate (dRP) flap. The catalytic subunit of human pol gamma catalyzes release of the dRP residue from incised apurinic/apyrimidinic sites to produce a substrate for DNA ligase. Faulty replication of the human mitochondrial genome is thought to be the cause of many diseases. The low selectivity of the mitochondrial DNA polymerase is implicated as the cause of many side effects observed in the treatment of viral infections such as HIV.\n\nApplications:\nSuitable for use in Western Blot and Immunoprecipitation. Other applications not tested.\n\nRecommended Dilution:\nWestern Blot: 5-10ug/ml for 2h,at RT\nImmunoprecipitation: 10ug/mg protein lysate\nOptimal dilutions to be determined by the researcher.\n\nPositive Control:\nHeLa cells\n\nStorage and Stability:\nMay be stored at 4 degrees C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20 degrees C. Aliquots are stable for at least 12 months. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.

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