TopFIND 2.0—linking protein termini with proteolytic processing and modifications altering protein function

作者: P. F. Lange , P. F. Huesgen , C. M. Overall

DOI: 10.1093/NAR/GKR1025

关键词: Protein domainProteolytic enzymesUniProtProteomeBiochemistrySaccharomyces cerevisiaeProtein tertiary structureBiologyProteomicsMEROPS

摘要: Protein termini provide critical insights into the functional state of individual proteins. With recent advances in specific proteomics approaches to enrich for N- and C-terminomes, global analysis whole terminomes at a proteome-wide scale is now possible. Information on actual C-termini proteins vivo any post-translational modifications, including their generation by proteolytic processing, rapidly accumulating. To access this information we present version 2.0 TopFIND (http://clipserve.clip.ubc.ca/topfind), knowledgebase protein termini, terminus modifications underlying processing. Built protein-centric framework covers five species: Homo sapiens, Mus musculus, Arabidopsis thaliana, Saccharomyces cerevisiae Escherichia coli incorporates from curated community submissions, publications, UniProtKB MEROPS. Emphasis placed detailed description classification evidence supporting reported identification each cleavage site, modification. A suite filters can be applied select evidence. dynamic network representation relationship between proteases, substrates inhibitors as well visualization protease site specificities complements displayed. Hence, supports depth investigation spark new hypotheses function correlating events with domains mutations.

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