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DNA polymerase I

Index DNA polymerase I

DNA polymerase I (or Pol I) is an enzyme that participates in the process of prokaryotic DNA replication. [1]

41 relations: Active site, Arthur Kornberg, Base pair, Conformational change, Deoxynucleoside kinase, Directionality (molecular biology), DNA, DNA ligase, DNA polymerase, DNA polymerase I, DNA polymerase II, DNA polymerase III holoenzyme, DNA repair, DNA replication, Enzyme, Escherichia coli, Exonuclease, Gene, Genome, John Cairns (biochemist), Klenow fragment, Molecular biology, Mutant, Nick translation, Nucleoside triphosphate, Nucleotide, Okazaki fragments, Polymerase, Polymerase chain reaction, Primase, Primer (molecular biology), Processivity, Prokaryote, Proofreading (biology), Ribonuclease H, RNA, Severo Ochoa, Streptomycin, Subtilisin, Thermus aquaticus, Ultraviolet.

Active site

In biology, the active site is the region of an enzyme where substrate molecules bind and undergo a chemical reaction.

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Arthur Kornberg

Arthur Kornberg (March 3, 1918 – October 26, 2007) was an American biochemist who won the Nobel Prize in Physiology or Medicine 1959 for his discovery of "the mechanisms in the biological synthesis of deoxyribonucleic acid (DNA)" together with Dr.

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Base pair

A base pair (bp) is a unit consisting of two nucleobases bound to each other by hydrogen bonds.

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Conformational change

In biochemistry, a conformational change is a change in the shape of a macromolecule, often induced by environmental factors.

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Deoxynucleoside kinase

In enzymology, a deoxynucleoside kinase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are ATP and 2'-deoxynucleoside, whereas its two products are ADP and 2'-deoxynucleoside 5'-phosphate.

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Directionality (molecular biology)

Directionality, in molecular biology and biochemistry, is the end-to-end chemical orientation of a single strand of nucleic acid.

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DNA

Deoxyribonucleic acid (DNA) is a thread-like chain of nucleotides carrying the genetic instructions used in the growth, development, functioning and reproduction of all known living organisms and many viruses.

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DNA ligase

DNA ligase is a specific type of enzyme, a ligase, that facilitates the joining of DNA strands together by catalyzing the formation of a phosphodiester bond.

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DNA polymerase

DNA polymerases are enzymes that synthesize DNA molecules from deoxyribonucleotides, the building blocks of DNA.

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DNA polymerase I

DNA polymerase I (or Pol I) is an enzyme that participates in the process of prokaryotic DNA replication.

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DNA polymerase II

DNA polymerase II (also known as DNA Pol II or Pol II) is a prokaryotic DNA-Dependent DNA polymerase encoded by the PolB gene.

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DNA polymerase III holoenzyme

DNA polymerase III holoenzyme is the primary enzyme complex involved in prokaryotic DNA replication.

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DNA repair

DNA repair is a collection of processes by which a cell identifies and corrects damage to the DNA molecules that encode its genome.

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DNA replication

In molecular biology, DNA replication is the biological process of producing two identical replicas of DNA from one original DNA molecule.

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Enzyme

Enzymes are macromolecular biological catalysts.

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Escherichia coli

Escherichia coli (also known as E. coli) is a Gram-negative, facultatively anaerobic, rod-shaped, coliform bacterium of the genus Escherichia that is commonly found in the lower intestine of warm-blooded organisms (endotherms).

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Exonuclease

Exonucleases are enzymes that work by cleaving nucleotides one at a time from the end (exo) of a polynucleotide chain.

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Gene

In biology, a gene is a sequence of DNA or RNA that codes for a molecule that has a function.

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Genome

In the fields of molecular biology and genetics, a genome is the genetic material of an organism.

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John Cairns (biochemist)

(Hugh) John Forster Cairns FRS (born 21 November 1922) is a British physician and molecular biologist who made significant contributions to molecular genetics, cancer research, and public health.

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Klenow fragment

The Klenow fragment is a large protein fragment produced when DNA polymerase I from E. coli is enzymatically cleaved by the protease subtilisin.

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Molecular biology

Molecular biology is a branch of biology which concerns the molecular basis of biological activity between biomolecules in the various systems of a cell, including the interactions between DNA, RNA, proteins and their biosynthesis, as well as the regulation of these interactions.

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Mutant

In biology and especially genetics, a mutant is an organism or a new genetic character arising or resulting from an instance of mutation, which is an alteration of the DNA sequence of a gene or chromosome of an organism.

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Nick translation

Nick translation (or head translation), developed in 1977 by Rigby and Paul Berg, is a tagging technique in molecular biology in which DNA Polymerase I is used to replace some of the nucleotides of a DNA sequence with their labeled analogues, creating a tagged DNA sequence which can be used as a probe in fluorescent in situ hybridization (FISH) or blotting techniques.

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Nucleoside triphosphate

A nucleoside triphosphate is a molecule containing a nitrogenous base bound to a 5-carbon sugar (either ribose or deoxyribose), with three phosphate groups bound to the sugar.

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Nucleotide

Nucleotides are organic molecules that serve as the monomer units for forming the nucleic acid polymers deoxyribonucleic acid (DNA) and ribonucleic acid (RNA), both of which are essential biomolecules within all life-forms on Earth.

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Okazaki fragments

Okazaki fragments are short, newly synthesized DNA fragments that are formed on the lagging template strand during DNA replication.

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Polymerase

A polymerase is an enzyme (EC 2.7.7.6/7/19/48/49) that synthesizes long chains of polymers or nucleic acids.

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Polymerase chain reaction

Polymerase chain reaction (PCR) is a technique used in molecular biology to amplify a single copy or a few copies of a segment of DNA across several orders of magnitude, generating thousands to millions of copies of a particular DNA sequence.

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Primase

DNA primase is an enzyme involved in the replication of DNA and is a type of RNA polymerase.

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Primer (molecular biology)

A primer is a short strand of RNA or DNA (generally about 18-22 bases) that serves as a starting point for DNA synthesis.

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Processivity

In molecular biology and biochemistry, processivity is an enzyme's ability to catalyze "consecutive reactions without releasing its substrate".

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Prokaryote

A prokaryote is a unicellular organism that lacks a membrane-bound nucleus, mitochondria, or any other membrane-bound organelle.

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Proofreading (biology)

The term proofreading is used in genetics to refer to the error-correcting processes, first proposed by John Hopfield and Jacques Ninio, involved in DNA replication, immune system specificity, enzyme-substrate recognition among many other processes that require enhanced specificity.

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Ribonuclease H

Ribonuclease H (abbreviated RNase H or RNH) is a family of non-sequence-specific endonuclease enzymes that catalyze the cleavage of RNA in an RNA/DNA substrate via a hydrolytic mechanism.

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RNA

Ribonucleic acid (RNA) is a polymeric molecule essential in various biological roles in coding, decoding, regulation, and expression of genes.

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Severo Ochoa

Severo Ochoa de Albornoz (24 September 1905 – 1 November 1993) was a Spanish-American physician and biochemist, and joint winner of the 1959 Nobel Prize in Physiology or Medicine with Arthur Kornberg.

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Streptomycin

Streptomycin is an antibiotic used to treat a number of bacterial infections.

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Subtilisin

Subtilisin is a non-specific protease (a protein-digesting enzyme) initially obtained from Bacillus subtilis.

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Thermus aquaticus

Thermus aquaticus is a species of bacteria that can tolerate high temperatures, one of several thermophilic bacteria that belong to the Deinococcus–Thermus group.

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Ultraviolet

Ultraviolet (UV) is electromagnetic radiation with a wavelength from 10 nm to 400 nm, shorter than that of visible light but longer than X-rays.

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Redirects here:

DNA Polymerase I, Dna polymerase 1, Dna polymerase i, Pol I, PolA.

References

[1] https://en.wikipedia.org/wiki/DNA_polymerase_I

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