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74309d7132 Tuloup M, Hernandez C, Coro I, Hoogland C, Binz P-A, Appel R D, Aldente and BioGraph: An improved peptide mass fingerprinting protein identification environment, Swiss Proteomics Society 2003 Congress: Understanding Biological Systems through Proteomics, Basel, Switzerland, 2-4 Dec. PMID14653859. Mass spectrometric analysis. FontisMedia (ISBN 2-88476-004-0), 174-176 Gasteiger E, Hoogland C, Gattiker A, Duvaud S, Wilkins M R, Appel R D, Bairoch A, Protein Identification and Analysis Tools on the ExPASy Server, in: The Proteomics Protocols Handbook (in press, 2005 Feb.). "Rapid identification of proteins by peptide-mass fingerprinting". This technique does well with 2D gel spots where the protein purity is high. Why so many papers in 1993? Well, for the most part it was the introduction of a MALDI TOF instrument capable of 50 ppm mass accuracy that made PMF routine. The ions are accelerated in the electric field of the mass spectrometer and fly towards an ion detector where their arrival is detected as an electric signal. description The requested resource is not available. 93 (25): 144405.
PMID: 10424174 Henzel WJ, Watanabe C, Stults JT. Discussion: William Henzel and co-workers at Genentech Inc., were the first to use this technique to identify proteins in a database(1-2). Henzel WJ, Billeci TM, Stults JT, Wong SC, Grimley C, Watanabe C. Acad. A disadvantage is that the protein sequence has to be present in the database of interest. The mass spectrometric analysis produces a list of molecular weights of the fragments which is often called a peak list. The first step in PMF is that an intact, unknown protein is cleaved with a proteolytic enzyme to generate peptides.