dbxref-methods: Access the 'db_xref's of GenBank features

In gschofl/biofiles: An Interface for GenBank/GenPept Flat Files

Description

Access the db_xrefs of GenBank features

Usage

dbxref(x, db = NULL, ...)

## S4 method for signature 'gbFeature'
dbxref(x, db = NULL, ...)

## S4 method for signature 'gbFeatureTable'
dbxref(x, db = NULL, ...)

## S4 method for signature 'gbRecord'
dbxref(x, db = NULL, ...)

Arguments

x	A gbFeature, gbFeatureTable, or gbRecord object.
db	(Optional) A character vector giving the database names of the desired db_xrefs.
...	Additional arguments passed to methods.

Value

A named character vector (or list of named character vectors) of db_xrefs.

Examples

load(system.file("extdata", "marine_metagenome.rda", package = "biofiles"))

## all db_xrefs associated with CDSs
dbxref(x["CDS"])

## retrieve the TaxId from the "source" field.
dbxref(x[[1]], "taxon")

gschofl/biofiles documentation built on Sept. 27, 2020, 12:08 a.m.