期刊
JOURNAL OF PROTEOME RESEARCH
卷 17, 期 7, 页码 2249-2255出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.jproteome.7b00640
关键词
proteomics; proteomic search engine; peptide identification
资金
- Russian Science Foundation [14-14-00971]
- Russian Science Foundation [17-14-00076] Funding Source: Russian Science Foundation
We present an open-source, extensible search engine for shotgun proteomics. Implemented in Python programming language, IdentiPy shows competitive processing speed and sensitivity compared with the state-of-the-art search engines. It is equipped with a user-friendly web interface, IdentiPy Server, enabling the use of a single server installation accessed from multiple workstations. Using a simplified version of X!Tandem scoring algorithm and its novel autotune feature, IdentiPy outperforms the popular alternatives on high-resolution data sets. Autotune adjusts the search parameters for the particular data set, resulting in improved search efficiency and simplifying the user experience. IdentiPy with the autotune feature shows higher sensitivity compared with the evaluated search engines. IdentiPy Server has built-in postprocessing and protein inference procedures and provides graphic visualization of the statistical properties of the data set and the search results. It is open-source and can be freely extended to use third-party scoring functions or processing algorithms and allows customization of the search workflow for specialized applications.
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