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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.
Nucleoside triphosphates cannot easily cross the cell membrane, so they are typically synthesized within the cell. [5] Synthesis pathways differ depending on the specific nucleoside triphosphate being made, but given the many important roles of nucleoside triphosphates, synthesis is tightly regulated in all cases. [ 6 ]
Oxygen is the final electron acceptor in the degradation of both purines. Uric acid is then excreted from the body in different forms depending on the animal. [5] Free purine and pyrimidine bases that are released into the cell are typically transported intercellularly across membranes and salvaged to create more nucleotides via nucleotide salvage.
77782 Ensembl ENSG00000051341 ENSMUSG00000034206 UniProt O75417 Q8CGS6 RefSeq (mRNA) NM_199420 NM_006596 NM_001159369 NM_029977 RefSeq (protein) NP_955452 NP_001152841 NP_084253 Location (UCSC) Chr 3: 121.43 – 121.55 Mb Chr 16: 36.83 – 36.92 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse DNA polymerase theta is an enzyme that in humans is encoded by the POLQ gene. This ...
A polymerase chain reaction is a form of enzymatic DNA synthesis in the laboratory, using cycles of repeated heating and cooling of the reaction for DNA melting and enzymatic replication of the DNA. DNA synthesis during PCR is very similar to living cells but has very specific reagents and conditions.
Cellular respiration is the process of oxidizing biological fuels using an inorganic electron acceptor, such as oxygen, to drive production of adenosine triphosphate (ATP), which contains energy. Cellular respiration may be described as a set of metabolic reactions and processes that take place in the cells of organisms to convert chemical ...
Required for initiation and elongation stages of DNA replication. Implicated in chromatin binding of Cdc45 and DNA polymerase α. Also required for stability of DNA polymerase α catalytic subunit in the budding yeast S. cerevisiae. Mrc1: Couple leading-strand synthesis with the CMG complex helicase activity. Metazoan homolog is known as Claspin.
Structure of Taq DNA polymerase. In biochemistry, a polymerase is an enzyme (EC 2.7.7.6/7/19/48/49) that synthesizes long chains of polymers or nucleic acids. DNA polymerase and RNA polymerase are used to assemble DNA and RNA molecules, respectively, by copying a DNA template strand using base-pairing interactions or RNA by half ladder replication.