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2016 ; 32
(22
): 3495-3497
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TopPIC: a software tool for top-down mass spectrometry-based proteoform
identification and characterization
#MMPMID27423895
Kou Q
; Xun L
; Liu X
Bioinformatics
2016[Nov]; 32
(22
): 3495-3497
PMID27423895
show ga
Top-down mass spectrometry enables the observation of whole complex proteoforms
in biological samples and provides crucial information complementary to bottom-up
mass spectrometry. Because of the complexity of top-down mass spectra and
proteoforms, it is a challenging problem to efficiently interpret top-down tandem
mass spectra in high-throughput proteome-level proteomics studies. We present
TopPIC, a tool that efficiently identifies and characterizes complex proteoforms
with unknown primary structure alterations, such as amino acid mutations and
post-translational modifications, by searching top-down tandem mass spectra
against a protein database. AVAILABILITY AND IMPLEMENTATION:
http://proteomics.informatics.iupui.edu/software/toppic/ CONTACT:
xwliu@iupui.eduSupplementary information: Supplementary data are available at
Bioinformatics online.