dnat

  • 61Primer (molecular biology) — A primer is a strand of nucleic acid that serves as a starting point for DNA synthesis. They are required for DNA replication because the enzymes that catalyze this process, DNA polymerases, can only add new nucleotides to an existing strand of… …

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  • 62DNA polymerase — 3D structure of the DNA binding helix turn helix motifs in human DNA polymerase beta A DNA polymerase is an enzyme that helps catalyze in the polymerization of deoxyribonucleotides into a DNA strand. DNA polymerases are best known for their… …

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  • 63Topoisomerase — Topoisomerases (type I: EC 5.99.1.2, type II: EC 5.99.1.3) are enzymes that regulate the overwinding or underwinding of DNA. The winding problem of DNA arises due to the intertwined nature of its double helical structure. For example, during DNA… …

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  • 64Primase — DNA primase is an enzyme involved in the replication of DNA. Primase catalyzes the synthesis of a short RNA (or DNA in some organisms [1]) segment called a primer complementary to a ssDNA template. Primase is of key importance in DNA replication… …

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  • 65Helicase — Structure of E. coli helicase RuvA Helicases are a class of enzymes vital to all living organisms. They are motor proteins that move directionally along a nucleic acid phosphodiester backbone, separating two annealed nucleic acid strands (i.e.,… …

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  • 66DNA polymerase I — Functional domains in the Klenow Fragment (left) and DNA Polymerase I (right). DNA Polymerase I (or Pol I) is an enzyme that participates in the process of DNA replication in prokaryotes. It is composed of 928 amino acids, and is an example of a… …

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  • 67Origin of replication — The origin of replication (also called the replication origin) is a particular sequence in a genome at which replication is initiated.[1] This can either be DNA replication in living organisms such as prokaryotes and eukaryotes, or RNA… …

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  • 68Port forwarding — Port forwarding, sometimes referred to as port mapping, [citeweb|title=Definition of: port forwarding url=http://www.pcmag.com/encyclopedia term/0,2542,t=port+forwarding i=49509,00.asp|publisher= PC Magazine |accessdate=2008 10 11] is the act of… …

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  • 69DNA gyrase — DNA gyrase, often referred to simply as gyrase, is an enzyme that relieves strain while double stranded DNA is being unwound by helicase. This causes negative supercoiling of the DNA. Bacterial DNA gyrase is the target of many antibiotics,… …

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  • 70Netfilter — Development status Active Type firewall tools for Linux. License GNU General Public License Website http://www.netfilter.org/ …

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