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cleaver

Project Status: Active - The project has reached a stable, usable state and is being actively developed. build status codecov.io license

years in bioc Ranking by downloads Release: build release Devel: build devel

Description

This package cleaves polypeptide sequences. The cleavage rules are taken from: https://web.expasy.org/peptide_cutter/peptidecutter_enzymes.html

cleaver is part of Bioconductor.

Install development version (not recommended)

install.packages("devtools")
library("devtools")
install_github("sgibb/cleaver")

Usage

## load library
library("cleaver")

## Gastric juice peptide 1 (UniProtKB/Swiss-Prot: GAJU_HUMAN/P01358)
gaju <- "LAAGKVEDSD"

cleave(gaju, "trypsin")
# $LAAGKVEDSD
# [1] "LAAGK" "VEDSD"

cleave(gaju, "trypsin", missedCleavages=1)
# $LAAGKVEDSD
# [1] "LAAGKVEDSD"

cleave(gaju, "trypsin", missedCleavages=0:1)
# $LAAGKVEDSD
# [1] "LAAGK" "VEDSD" "LAAGKVEDSD"

cleave(gaju, "pepsin")
# $LAAGKVEDSD
# [1] "LAAGKVEDSD"
# (no cleavage)

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