fasta_identifier_isdecoy: regex test if a protein identifier or fasta header is a decoy

In ftwkoopmans/msdap: Mass Spectrometry Downstream Analysis Pipeline

regex test if a protein identifier or fasta header is a decoy

Description

regex test if a protein identifier or fasta header is a decoy

Usage

fasta_identifier_isdecoy(x)

Arguments

x	strings to test

Examples

## Not run: 
# decoy examples (should yield TRUE)
fasta_identifier_isdecoy(c(
">rev_sp|A0A023PZB3|FMP49_YEAST Protein FMP49, mitochondrial ...",
"rev_sp|A0A023PYF4|YE145_YEAST",
"decoy_A0A023PZF2",
"P63044_decoy",
"P63044_rev",
"P63044_reverse",
">sp|Q02956|KPCZ_MOUSE_decoy",
">decoy_sp|Q02956|KPCZ_MOUSE"
))
# non-decoy examples (should yield FALSE)
fasta_identifier_isdecoy(c(
">sp|A0A023PZB3|FMP49_YEAST Protein FMP49, mitochondrial ...",
"sp|A0A023PYF4|YE145_YEAST",
"A0A023PZF2",
"P63044",
">sp|Q02956|KPCZ_MOUSE"
))

## End(Not run)

ftwkoopmans/msdap documentation built on March 5, 2025, 12:15 a.m.