Journal
CURRENT OPINION IN CHEMICAL BIOLOGY
Volume 24, Issue -, Pages 71-79Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.cbpa.2014.10.026
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Funding
- Deutsche Forschungsgemeinschaft (DFG) [SCHI 871/2, SCHI 871/5]
- European Research Council [ERC-2011-StG 282111-ProteaSys, SFB850]
- Excellence Initiative of the German Federal and State Governments [EXC 294]
- Marie Curie IIF fellowship [FP7-PEOPLE-2012-IIF]
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Amino-/N-terminal processing is a crucial post-translational modification affecting almost all proteins. In addition to altering the chemical properties of the N-terminus, these modifications affect protein activation, conversion, and degradation, which subsequently lead to diversified biological functions. The study of N-terminal modifications is of increasing interest; especially since modifications such as proteolytic truncation or pyroglutamate formation have been linked to disease processes. During the past decade, mass spectrometry has played an important role in facilitating the investigation of N-terminal modifications. Continuous progress is being made in the development and application of robust methods for the dedicated analysis of native and modified protein N-termini in a proteome-wide manner. Here we highlight recent progress in our understanding of protein N-terminal biology as well as outlining present enrichment strategies for mass spectrometry-based studies of protein N-termini.
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