Slop (i.e. extend left/right)

slop(granges, leftstart = -22, rightend = 22, verbose = TRUE)

Arguments

granges

GenomicRanges::GRanges

leftstart

flank start relative to range start

rightend

flank end relative to range start

verbose

logical(1)

Value

GenomicRanges::GRanges

Examples

require(magrittr) bedfile <- system.file('extdata/SRF_sites.bed', package = 'multicrispr') bsgenome <- BSgenome.Mmusculus.UCSC.mm10::Mmusculus granges <- read_bed(bedfile, bsgenome)
#> Read C:/Users/abhagwa/Documents/multicrispr/inst/extdata/SRF_sites.bed
#> 1974 ranges on 21 chromosomes
#> 17 NT wide
#> 0 - 36535760 NT apart
granges %>% head(1)
#> GRanges object with 1 range and 0 metadata columns: #> seqnames ranges strand #> <Rle> <IRanges> <Rle> #> [1] chr1 4712627-4712643 - #> ------- #> seqinfo: 66 sequences (1 circular) from mm10 genome
granges %>% head(1) %>% slop()
#> 1 slopped granges: [start-22, end+22]
#> GRanges object with 1 range and 0 metadata columns: #> seqnames ranges strand #> <Rle> <IRanges> <Rle> #> [1] chr1 4712605-4712665 - #> ------- #> seqinfo: 66 sequences (1 circular) from mm10 genome