DeuteRater: a tool for quantifying peptide isotope precision and kinetic proteomics
Author(s) -
Bradley C. Naylor,
Michael T Porter,
Elise Wilson,
Adam Herring,
Spencer Lofthouse,
Austin Hannemann,
Stephen Piccolo,
Alan L. Rockwood,
John C. Price
Publication year - 2017
Publication title -
bioinformatics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.599
H-Index - 390
eISSN - 1367-4811
pISSN - 1367-4803
DOI - 10.1093/bioinformatics/btx009
Subject(s) - computer science , python (programming language) , software , workflow , proteome , source code , isotope , data mining , bioinformatics , database , biology , programming language , physics , quantum mechanics
Using mass spectrometry to measure the concentration and turnover of the individual proteins in a proteome, enables the calculation of individual synthesis and degradation rates for each protein. Software to analyze concentration is readily available, but software to analyze turnover is lacking. Data analysis workflows typically don't access the full breadth of information about instrument precision and accuracy that is present in each peptide isotopic envelope measurement. This method utilizes both isotope distribution and changes in neutromer spacing, which benefits the analysis of both concentration and turnover.
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