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http://dbpedia.org/resource/Protein_mass_spectrometry
http://dbpedia.org/ontology/abstract Le séquençage des protéines par spectrométLe séquençage des protéines par spectrométrie de masse est une technique qui permet le séquençage des protéines par spectrométrie de masse surtout en tandem MS/MS. Elle permet de déterminer la séquence des peptides sur quelques dizaines d'acides aminés. Couplé avec des techniques de digestion (enzymatiques ou chimiques) et avec des techniques de séparation (chromatographie en phase liquide à haute performance par exemple), il est possible de caractériser une protéine.est possible de caractériser une protéine. , Protein mass spectrometry refers to the apProtein mass spectrometry refers to the application of mass spectrometry to the study of proteins. Mass spectrometry is an important method for the accurate mass determination and characterization of proteins, and a variety of methods and instrumentations have been developed for its many uses. Its applications include the identification of proteins and their post-translational modifications, the elucidation of protein complexes, their subunits and functional interactions, as well as the global measurement of proteins in proteomics. It can also be used to localize proteins to the various organelles, and determine the interactions between different proteins as well as with membrane lipids. The two primary methods used for the ionization of protein in mass spectrometry are electrospray ionization (ESI) and matrix-assisted laser desorption/ionization (MALDI). These ionization techniques are used in conjunction with mass analyzers such as tandem mass spectrometry. In general, the proteins are analyzed either in a "top-down" approach in which proteins are analyzed intact, or a "bottom-up" approach in which protein are first digested into fragments. An intermediate "middle-down" approach in which larger peptide fragments are analyzed may also sometimes be used.s are analyzed may also sometimes be used. , Espectrometria de massa de proteínas referEspectrometria de massa de proteínas refere-se à aplicação de espectrometria de massa ao estudo de proteínas. A espectrometria de massa é um método importante para a determinação precisa de massa e caracterização de proteínas, e uma variedade de métodos e instrumentações foram desenvolvidos para seus muitos usos. Suas aplicações incluem a identificação de proteínas e suas modificações pós-traducionais, a elucidação de complexos protéicos, suas subunidades e interações funcionais, bem como a medição global de proteínas em proteômica. Também pode ser usado para localizar proteínas nas várias organelas e determinar as interações entre diferentes proteínas e também com lipídios de membrana. Os dois principais métodos utilizados para a ionização de proteínas em espectrometria de massa são (abreviado na literatura como ESI, do inglês electrospray ionization) e ionização e dessorção a laser assistida por matriz (MALDI, matrix-assisted laser desorption/ionization). Estas técnicas de ionização são usadas em conjunto com analisadores de massa, tais como espectrometria de massa em tandem. Em geral, as proteínas são analisadas em uma abordagem "" na qual as proteínas são analisadas intactas, ou uma abordagem "" na qual as proteínas são primeiro digeridas em fragmentos. Uma abordagem intermediária "do meio para baixo" na qual os fragmentos peptídicos maiores são analisados também pode ser usada às vezes.analisados também pode ser usada às vezes.
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rdfs:comment Protein mass spectrometry refers to the apProtein mass spectrometry refers to the application of mass spectrometry to the study of proteins. Mass spectrometry is an important method for the accurate mass determination and characterization of proteins, and a variety of methods and instrumentations have been developed for its many uses. Its applications include the identification of proteins and their post-translational modifications, the elucidation of protein complexes, their subunits and functional interactions, as well as the global measurement of proteins in proteomics. It can also be used to localize proteins to the various organelles, and determine the interactions between different proteins as well as with membrane lipids. proteins as well as with membrane lipids. , Espectrometria de massa de proteínas referEspectrometria de massa de proteínas refere-se à aplicação de espectrometria de massa ao estudo de proteínas. A espectrometria de massa é um método importante para a determinação precisa de massa e caracterização de proteínas, e uma variedade de métodos e instrumentações foram desenvolvidos para seus muitos usos. Suas aplicações incluem a identificação de proteínas e suas modificações pós-traducionais, a elucidação de complexos protéicos, suas subunidades e interações funcionais, bem como a medição global de proteínas em proteômica. Também pode ser usado para localizar proteínas nas várias organelas e determinar as interações entre diferentes proteínas e também com lipídios de membrana.oteínas e também com lipídios de membrana. , Le séquençage des protéines par spectrométLe séquençage des protéines par spectrométrie de masse est une technique qui permet le séquençage des protéines par spectrométrie de masse surtout en tandem MS/MS. Elle permet de déterminer la séquence des peptides sur quelques dizaines d'acides aminés. Couplé avec des techniques de digestion (enzymatiques ou chimiques) et avec des techniques de séparation (chromatographie en phase liquide à haute performance par exemple), il est possible de caractériser une protéine.est possible de caractériser une protéine.
rdfs:label Espectrometria de massa de proteínas , Séquençage des protéines par spectrométrie de masse , Protein mass spectrometry
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