DNA-dependent DNA polymerase - ορισμός. Τι είναι το DNA-dependent DNA polymerase
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Τι (ποιος) είναι DNA-dependent DNA polymerase - ορισμός

ENZYME THAT SYNTHESIZES DNA FROM A NUCLEIC ACID TEMPLATE
DNA Polymerase; DNA polymerases; Dna polymerase; DNA-directed DNA polymerase; Dna-directed dna polymerase; DNA-dependent DNA polymerase; Pol gene; DNAdependent DNA polymerase; Dna polymerase alpha; Eukaryotic DNA polymerase; DNA polymerase δ; Pol ε; Dna Polymerase; Prokaryotic DNA polymerase; EC 2.7.7.7; DNA nucleotidyltransferase (DNA-directed); Deoxyribonucleate nucleotidyltransferase; Deoxynucleate polymerase; Deoxyribonucleic acid duplicase; Deoxyribonucleic acid polymerase; Deoxyribonucleic duplicase; Deoxyribonucleic polymerase; Deoxyribonucleic polymerase I; DNA duplicase; DNA nucleotidyltransferase; DNA replicase; Taq Pol I; Tca DNA polymerase; Deoxynucleoside-triphosphate:DNA deoxynucleotidyltransferase (DNA-directed); Deoxynucleoside-triphosphate:DNA deoxynucleotidyltransferase; DNA polymerase sigma; DNA polymerase zeta
  • DNA polymerase with proofreading ability
  • DNA polymerase moves along the old strand in the 3'–5' direction, creating a new strand having a 5'–3' direction.
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DNA polymerase         
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 polymerase I         
FAMILY OF ENZYMES
Pol I; PolA; Dna polymerase i; DNA Polymerase I; Dna polymerase 1
DNA polymerase I (or Pol I) is an enzyme that participates in the process of prokaryotic DNA replication. Discovered by Arthur Kornberg in 1956, it was the first known DNA polymerase (and the first known of any kind of polymerase).
DNA polymerase III holoenzyme         
  • Schematic picture of ''DNA polymerase III*'' (with subunits).
COMPLEX THAT CONTAINS 10 DIFFERENT TYPES OF SUBUNITS
DNA polymerase III; Pol III; DNA holoenzyme; PolIII; PolIII holoenzyme; DNA Pol III; Dna polymerase iii
DNA polymerase III holoenzyme is the primary enzyme complex involved in prokaryotic DNA replication. It was discovered by Thomas Kornberg (son of Arthur Kornberg) and Malcolm Gefter in 1970.

Βικιπαίδεια

DNA polymerase

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. During this process, DNA polymerase "reads" the existing DNA strands to create two new strands that match the existing ones. These enzymes catalyze the chemical reaction

deoxynucleoside triphosphate + DNAn ⇌ pyrophosphate + DNAn+1.

DNA polymerase adds nucleotides to the three prime (3')-end of a DNA strand, one nucleotide at a time. Every time a cell divides, DNA polymerases are required to duplicate the cell's DNA, so that a copy of the original DNA molecule can be passed to each daughter cell. In this way, genetic information is passed down from generation to generation.

Before replication can take place, an enzyme called helicase unwinds the DNA molecule from its tightly woven form, in the process breaking the hydrogen bonds between the nucleotide bases. This opens up or "unzips" the double-stranded DNA to give two single strands of DNA that can be used as templates for replication in the above reaction.