| ADA | adenosine deaminase; American Dental Association; American Dermatological Association; American Diab... |
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| ADCC | acute disorder of cerebral circulation; antibody-dependent cell-mediated cytotoxicity |
| ADE | acute disseminated encephalitis; adverse drug event; antibody-dependent enhancement; apparent digest... |
| ADLC | antibody-dependent lymphocyte-mediated cytotoxicity |
| ADS | acute death syndrome; acute diarrheal syndrome; Alcohol Dependence Scale; alternative delivery syste... |
| DNA-activated protein kinase | <enzyme> Nuclear serine-threonine protein kinase that phosphorylates DNA-binding proteins; may function in cell homeostasis Registry number: EC 2.7.10.- Synonym: DNA-pk, DNA-dependent protein serine-threonine kinase, DNA-dependent protein kinase, scid gene product, xrcc7 gene product (26 Jun 1999) |
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| DNA adducts | Covalent adducts between chemical mutagens and DNA. Such couplings activate DNA repair processes and, unless repaired prior to DNA replication, may lead to nucleotide substitutions, deletions, and chromosome rearrangements. (rieger et al., glossary of genetics: classical and molecular, 5th ed) (12 Dec 1998) |
| DNA alkyltransferase | <enzyme> Involved in DNA repair by conversion of o(6)-alkylguanine and o(4)-alkylthymine to the normal bases; see also EC 2.1.1.63, o(6)-methylguanine-DNA methyltransferase Registry number: EC 2.5.1.- Synonym: alkylated DNA alkyltransferase (26 Jun 1999) |
| DNA amplification | <molecular biology> The use of enzymes in making millions or billions of copies of a single DNA sequence (see PCR). (14 Nov 1997) |
| DNA annealing | <molecular biology> The reformation of double stranded DNA from thermally denatured DNA. The rate of reassociation depends upon the degree of repetition and is slowest for unique sequences (this is the basis of the Cot value). (18 Nov 1997) |
| DNA, antisense | A DNA molecule which is complementary to the sense strand (that which functions as a template for the synthesis of mRNA) but is not involved in transcription. Both strands are involved in replication. (12 Dec 1998) |
| DNA-(apurinic or apyrimidinic site) lyase | <enzyme> Formerly EC 3.1.25.2 Registry number: EC 4.2.99.18 Synonym: endodeoxyribonuclease (apurinic or apyrimidinic), apurinic endonuclease, apurinic DNA endonuclease, purine insertase, endonuclease iv, DNA repair endonuclease, endonuclease vi, endonuclease iv, E coli, bap1, bovine ap endonuclease I, nfo gene product, apci, apcii, apciii, ap lyase, ap endonuclease, hap1 DNA repair enzyme, apurine-apyrimidine endonuclease (26 Jun 1999) |
| DNA, archaeal | Deoxyribonucleic acid that makes up the genetic material of archaea. (12 Dec 1998) |
| DNA, bacterial | Deoxyribonucleic acid that makes up the genetic material of bacteria. (12 Dec 1998) |
| DNA beta-glucosyltransferase | <enzyme> Transfers a beta-d-glucosyl residue from udp-glucose to hydroxymethylcytosine residues in double-stranded DNA Registry number: EC 2.4.1.27 Synonym: udp-glucose-DNA beta-d-glucosyltransferase, udp-glucose - 5-hydroxymethylcytosine beta-glucosyltransferase (26 Jun 1999) |
| DNA binding protein | <molecular biology> Proteins that interact with DNA, typically to pack or modify the DNA for example histones or to regulate gene expression, transcription factors. Among those proteins that recognise specific DNA sequences, there are a number of characteristic conserved motifs believed to be essential for specificity. (18 Nov 1997) |
| DNA-binding protein, cyclic AMP-responsive | A protein that has been shown to function as a calcium regulated transcription factor as well as a substrate for depolarisation-activated calcium calmodulin-dependent protein kinases I and II. This protein functions to integrate both calcium and camp signals. (12 Dec 1998) |
| DNA-binding proteins | Proteins which bind to DNA. The family includes proteins which bind to both double- and single-stranded DNA and also includes specific DNA binding proteins in serum which can be used as markers for malignant diseases. (12 Dec 1998) |
| DNA, chloroplast | Deoxyribonucleic acid that makes up the genetic material of chloroplasts. (12 Dec 1998) |
| DNA, circular | Any of the covalently closed DNA molecules found in bacteria, many viruses, mitochondria, plastids, and plasmids. Small, polydisperse circular DNA's have also been observed in a number of eukaryotic organisms and are suggested to have homology with chromosomal DNA and the capacity to be inserted into, and excised from, chromosomal DNA. It is a fragment of DNA formed by a process of looping out and deletion, containing a constant region of the mu heavy chain and the 3'-part of the mu switch region. Circular DNA is a normal product of rearrangement among gene segments encoding the variable regions of immunoglobulin light and heavy chains, as well as the T-cell receptor. (12 Dec 1998) |