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DNA polymerase I (or Pol I) is an enzyme that participates in the process of prokaryotic DNA replication. Discovered by Arthur Kornberg in 1956, [1] it was the first known DNA polymerase (and the first known of any kind of polymerase). It was initially characterized in E. coli and is ubiquitous in prokaryotes.
POLG is located on the q arm of chromosome 15 in position 26.1 and has 23 exons.The POLG gene produces a 140 kDa protein composed of 1239 amino acids. [7] [8] POLG, the protein encoded by this gene, is a member of the DNA polymerase type-A family.
A DNA polymerase is a member of a family of enzymes that catalyze the synthesis of DNA molecules from nucleoside triphosphates, the molecular precursors of DNA. These enzymes are essential for DNA replication and usually work in groups to create two identical DNA duplexes from a single original DNA duplex.
DNA and RNA are synthesized in the 5′-to-3′ direction. Directionality , in molecular biology and biochemistry , is the end-to-end chemical orientation of a single strand of nucleic acid .
[42] [43] [44] KOD polymerase and some modified thermostable DNA polymerases (iProof/Phusion, Pfu Ultra, Velocity or Z-Taq) are used as a PCR variant with shorter amplification cycles (fast PCR, high-speed PCR) due to their high synthesis rate. Processivity describes the average number of base pairs before a polymerase falls off the DNA template.
The polymerase chain reaction is the most widely used method for in vitro DNA amplification for purposes of molecular biology and biomedical research. [1] This process involves the separation of the double-stranded DNA in high heat into single strands (the denaturation step, typically achieved at 95–97 °C), annealing of the primers to the single stranded DNA (the annealing step) and copying ...
18968 Ensembl ENSG00000101868 ENSMUSG00000006678 UniProt P09884 P33609 RefSeq (mRNA) NM_016937 NM_001330360 NM_001378303 NM_008892 RefSeq (protein) NP_001317289 NP_058633 NP_001365232 NP_032918 Location (UCSC) Chr X: 24.69 – 25 Mb Chr X: 92.35 – 92.68 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse DNA polymerase alpha catalytic subunit is an enzyme that in humans is encoded by ...
DNA polymerase delta catalytic subunit (DPOD1) is an enzyme that is encoded in the human by the POLD1 gene, in the DNA polymerase delta complex. [5] [6] [7] DPOD1 is responsible for synthesizing the lagging strand of DNA, and has also been implicated in some activities at the leading strand (Figure 1).
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