checkProt {Rcpi} | R Documentation

## Check if the protein sequence's amino acid types are the 20 default types

### Description

Check if the protein sequence's amino acid types are the 20 default types

### Usage

    checkProt(x)

### Arguments

`x` | A character vector, as the input protein sequence.

### Details

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

### Value

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

### Author(s)

Nan Xiao <https://nanx.me>

### Examples

    x = readFASTA(system.file('protseq/P00750.fasta', package = 'Rcpi'))[[1]]
    checkProt(x)  # TRUE
    checkProt(paste(x, 'Z', sep = ''))  # FALSE

[Package Rcpi version 1.20.1 Index]