alleleTrim {HLAtools}

Trim All Versions of Allele Names

Description

Trims an HLA allele name to a specified number of fields or number of digits, depending on the nomenclature version.

Usage

alleleTrim(allele, resolution, version = 3)

Arguments

allele

A character string of an HLA allele name formatted as locus*allele_name, optionally including the "HLA-" prefix.

resolution

A number identifying the number of fields to trim the allele down to.

version

A character string identifying the HLA nomenclature version under which the allele was named. Version 1 allele names are found in IPD-IMGT/HLA Database releases 1.0.0 to 1.16.0. Version 2 allele names are found in IPD-IMGT/HLA Database releases 2.0.0 to 2.28.0. Version 3 allele names are found in IPD_IMGT/HLA Database releases 3.0.0 and onward.

Value

A character string of the trimmed allele name, shortened according to the input parameters.

Examples

alleleTrim(allele = "A*03:01:01", resolution = 2)
alleleTrim(allele = "A*030101", resolution = 2,version = 2)