catabolite activator protein

catabolite activator protein
catabolite gene activator protein CAP; a bacterial protein, activated by cyclic AMP, that stimulates transcription by binding to certain promoter sites on DNA; called also cAMP receptor p. and cyclic adenosine monophosphate receptor p.

Medical dictionary. 2011.

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  • Catabolite activator protein — or CAP is a transcriptional activator that exists as a homodimer in solution, with each subunit comprising a ligand binding domain at the N terminus (CAPN, residues 1 138), which is also responsible for the dimerization of the protein, and a DNA… …   Wikipedia

  • catabolite activator protein — catabolite activator protein. См. белок активатор катаболитных оперонов. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • Catabolite Activator Protein — Bei der Katabolitrepression wird die Expression bestimmter Stoffwechselkomponenten (katabolische, also verstoffwechselnde Enzyme) einer Zelle solange unterdrückt, wie ein bestimmtes Stoffwechselprodukt (Katabolit) in signifikanter Menge vorhanden …   Deutsch Wikipedia

  • catabolite activator protein — Abbreviation: CAP A protein which combines with cyclic AMP. The cAMP CAP complex binds to the promoter regions of E. coli and stimulates transcription of the relevant operon. Synonyms: catabolite regulator protein (CRP), cyclic AMP receptor… …   Glossary of Biotechnology

  • Activator (genetics) — An activator is a DNA binding protein that regulates one or more genes by increasing the rate of transcription. The activator may increase transcription by virtue of a connected domain which assists in the formation of the RNA polymerase… …   Wikipedia

  • catabolite repression — Inducible enzyme systems in some microorganisms (such as the lac operon) that are repressed when a more favoured carbon source, such as glucose, is available. Repression in E. coli is partially relieved if cAMP is bound to the cAMP catabolite… …   Dictionary of molecular biology

  • Protein — A large molecule composed of one or more chains of amino acids in a specific order determined by the base sequence of nucleotides in the DNA coding for the protein. Proteins are required for the structure, function, and regulation of the body s… …   Medical dictionary

  • activator — 1. A substance that renders another substance, or catalyst, active, or that accelerates a process or reaction. 2. The fragment, produced by chemical cleavage of a proactivator, that induces the enzymic activity of another …   Medical dictionary

  • CAMP receptor protein — Protein Name=PAGENAME caption=Structure of the E. coli Cyclic AMP Receptor Protein. Symbol=CRP AltSymbols=CAP EntrezGene=289905 RefSeq=NP 289905 UniProt=P0ACK0 PDB=1I5Z cAMP receptor protein (in short CRP, also known as catabolite gene activator… …   Wikipedia

  • cAMP receptor protein — catabolite activator p …   Medical dictionary

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