Protein sequence amino acid type sanity check

This function checks if the protein sequence's amino acid types are in the 20 default types.

Usage

protcheck(x)

Arguments

x

A character vector, as the input protein sequence.

Value

Logical. TRUE if all of the amino acid types of the sequence are within the 20 default types.

Author

Nan Xiao <https://nanx.me>

Examples

x <- readFASTA(system.file("protseq/P00750.fasta", package = "protr"))[[1]]
protcheck(x) # TRUE
#> [1] TRUE
protcheck(paste(x, "Z", sep = "")) # FALSE
#> [1] FALSE