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protag  

Search Tagged Peptides & Draw Highlighted Mass Spectra
View on CRAN: Click here


Download and install protag package within the R console
Install from CRAN:
install.packages("protag")

Install from Github:
library("remotes")
install_github("cran/protag")

Install by package version:
library("remotes")
install_version("protag", "1.0.0")



Attach the package and use:
library("protag")
Maintained by
Bo Yuan
[Scholar Profile | Author Map]
First Published: 2019-08-09
Latest Update: 2019-08-09
Description:
In a typical protein labelling procedure, proteins are chemically tagged with a functional group, usually at specific sites, then digested into peptides, which are then analyzed using matrix-assisted laser desorption ionization - time of flight mass spectrometry (MALDI-TOF MS) to generate peptide fingerprint. Relative to the control, peptides that are heavier by the mass of the labelling group are informative for sequence determination. Searching for peptides with such mass shifts, however, can be difficult. This package, designed to tackle this inconvenience, takes as input the mass list of two or multiple MALDI-TOF MS mass lists, and makes pairwise comparisons between the labeled groups vs. control, and restores centroid mass spectra with highlighted peaks of interest for easier visual examination. Particularly, peaks differentiated by the mass of the labelling group are defined as a
How to cite:
Bo Yuan (2019). protag: Search Tagged Peptides & Draw Highlighted Mass Spectra. R package version 1.0.0, https://cran.r-project.org/web/packages/protag. Accessed 30 Apr. 2025.
Previous versions and publish date:
No previous versions
Other packages that cited protag R package
View protag citation profile
Other R packages that protag depends, imports, suggests or enhances
Complete documentation for protag
Functions, R codes and Examples using the protag R package
Some associated functions: myoglobin . protag . tag.search . tag.spectra.butterflyplot . tag.spectra.listplot . 
Some associated R codes: exampleData.document.R . package.document.R . tag.search.R . tag.spectra.butterflyplot.R . tag.spectra.listplot.R .  Full protag package functions and examples
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