getGeneIDsFromTxDb.Rd
retrieve gene ids from txdb object by genomic location.
getGeneIDsFromTxDb(gr, txdb)
GRanges object.
An object of TxDb
.
A character vector of gene ids
library(TxDb.Hsapiens.UCSC.hg19.knownGene)
gr <- parse2GRanges("chr11:122,830,799-123,116,707")
ids <- getGeneIDsFromTxDb(gr, TxDb.Hsapiens.UCSC.hg19.knownGene)
#> 403 genes were dropped because they have exons located on both strands
#> of the same reference sequence or on more than one reference sequence,
#> so cannot be represented by a single genomic range.
#> Use 'single.strand.genes.only=FALSE' to get all the genes in a
#> GRangesList object, or use suppressMessages() to suppress this message.