Nuclease

exonuclease
an enzyme that catalyzes the cleavage of nucleotides one at a time from the end of a DNA molecule
Source: Jenkins, John B. 1990. Human Genetics, 2nd Edition. New York: Harper & Row ...
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Exonuclease
Endonuclease enzyme digests nucleic acids starting at an end of the strand.
Related ...
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Region of eukaryotic chromosome DNA that is specifically vulnerable to nuclease attack perhaps because it is not wrapped in histone as nucleosomes.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ...
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Nucleases are present in insect cells forming the female gametes. They are not detectable during male gametogenesis, consistent with the absence of recombination in male gametogenesis.
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nucleases. These hydrolyze ingested nucleic acids (RNA and DNA) into their component nucleotides.
The secretion of pancreatic fluid is controlled by two hormones: ...
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Nuclease. A class of enzymes that degrades DNA and/or RNA molecules by cleaving the phosphodiester bonds that link adjacent nucleotides. In deoxyribonuclease (DNase), the substrate is DNA.
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Nuclease: An enzyme which degrades nucleic acids. A nuclease can be DNA-specific (a DNase), RNA-specific (RNase) or non-specific.
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Exonuclease
An enzyme that cleaves nucleotides sequentially from free ends of a linear nucleic acid substrate.
Related Terms: Enzyme ...
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Exonuclease
An enzyme that digests a molecule of nucleic acid by removing successive nucleotides from the 5' or 3' end. Exonucleases may be specific for single or double stranded DNA or RNA, and may be specific for either 3' or 5' ends.
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EXONUCLEASE - An enzyme which hydroylzes DNA beginning at one end of a strand, releasing nucleotides one at a time (thus, there are 3' or 5' exonucleases) ...
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Exonuclease
: A nuclease that degrades a double-stranded DNA molecule by removing nucleotides from its two ends.
Exonucleases
can be specific for digestion from the 3' or 5' ends of the nucleic acid.
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restriction nucleases - one of a large number of nucleases that can cleave a DNA molecule at any site where a specific short sequence of nucleotides occurs ...
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restriction endonuclease. An enzyme that cleaves a DNA molecule at a particular base sequence.
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restriction endonuclease - aka restriction enzyme - bacterial enzyme that cuts double-stranded DNA at a specific sequence.
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See DNA, nuclease. Diabetes. A disease associated with the absence or reduced levels of insulin, a hormone essential for the transport of glucose to cells. Dideoxynucleotide (didN).
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The name is derived from the fact that these sequences are cleaved by the restriction endonuclease Alu. Amino acid sequence -- the linear order of the amino acids in a protein or peptide.
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qv receptor-mediated endocytosis endonuclease An enzyme that hydrolyzes the interior phosphodiester bonds of a nucleic acid. endoplasmic reticulum An extensive system of double membranes in the cytoplasm of eukaryotic cells.
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In one method, genomic DNA is cut with one or more restriction nucleases, and splints are ligated onto the ends of the fragments.
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A restriction enzyme (or restriction endonuclease) is an enzyme that cuts double-stranded DNA. The enzyme makes two incisions, one through each of the phosphate backbones of the double helix without damaging the bases.
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Restriction enzyme More correctly called a Type II Restriction Endonuclease. A bacterial enzyme which forms part of a system to protect the cell against infection by bacteriophage, and unregulated influx of foreign DNA.
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RNA is less stable in the cell, and also more prone to nuclease attack experimentally. As RNA is generated by transcription from DNA, the information is already present in the cell's DNA. However, it is sometimes desirable to sequence RNA molecules.
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One of these genes might be what's called a nuclease. Nucleases are things that degrade nucleotides. If Deinococcus was somehow able to better control its nucleases or even delete them altogether it might become more radiation resistant.
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Restriction enzyme, endonuclease: A protein that recognizes specific, short sequences of DNA and cuts at those sites. See also Restriction enzyme cutting site.
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