Human POLG Recombinant Protein (N-His) (GXRP01794)

Human POLG Recombinant Protein (N-His)

Human POLG Recombinant Protein (N-His) is a recombinant protein expressed in E. coli, spanning Trp1041-Pro1239, with an N-terminal His tag. Predicted molecular weight: 24.97 kDa. Purity: >90% as determined by SDS-PAGE. Supplied lyophilized from a solution in PBS pH 7.4, 0.02% NLS, 1 mM EDTA, 4% Trehalose, 1% Mannitol. Applications: ELISA, immunogen, SDS-PAGE and Western blot. DNA polymerase subunit gamma-1 (POLG) is a ~139 kDa protein. Catalytic subunit of DNA polymerase gamma solely responsible for replication of mitochondrial DNA (mtDNA). For research use only.

Replicates both heavy and light strands of the circular mtDNA genome using a single-stranded DNA template, RNA primers and the four deoxyribonucleoside triphosphates as substrates. Has 5' -> 3' polymerase activity. Functionally interacts with TWNK and SSBP1 at the replication fork to form a highly processive replisome, where TWNK unwinds the double-stranded DNA template prior to replication and SSBP1 covers the parental heavy strand to enable continuous replication of the entire mitochondrial genome. A single nucleotide incorporation cycle includes binding of the incoming nucleotide at the insertion site, a phosphodiester bond formation reaction that extends the 3'-end of the primer DNA, and translocation of the primer terminus to the post-insertion site.