Filter for proteins that are supported by proteotypic peptides.

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Description

Peptides can match to several proteins. With this function proteotypic peptides, peptides that are only contained in one protein are selected. Additionally the number of proteins are counted and printed.

Usage

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Arguments

data

A data frame containing SWATH data.

Value

Returns a data frame with only the data supported by proteotypic peptides.

Author(s)

Peter Blattmann

Examples

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data("OpenSWATH_data", package="SWATH2stats")
data("Study_design", package="SWATH2stats")
data <- sample_annotation(OpenSWATH_data, Study_design)
data.filtered.decoy <- filter_mscore(data, 0.01) 
data.all <- filter_proteotypic_peptides(data.filtered.decoy)

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