org.At.tairCHR {org.At.tair.db}R Documentation

Map TAIR IDs to Chromosomes

Description

org.At.tairCHR is an R object that provides mappings between a TAIR identifier and the chromosome that contains the gene of interest.

Details

Each TAIR identifier maps to a vector of chromosomes. Due to inconsistencies that may exist at the time the object was built, the vector may contain more than one chromosome (e.g., the identifier may map to more than one chromosome). If the chromosomal location is unknown, the vector will contain an NA.

Mappings were based on data provided by: Tair ftp://ftp.arabidopsis.org/Genes/OLD/TAIR\_sequenced\_genes With a date stamp from the source of: 2011-May27

Examples

        x <- org.At.tairCHR
        # Get the tair identifiers that are mapped to a chromosome
        mapped_tairs <- mappedkeys(x)
        # Convert to a list
        xx <- as.list(x[mapped_tairs])
        if(length(xx) > 0) {
          # Get the CHR for the first five tairs
          xx[1:5]
          # Get the first one
          xx[[1]]
        }

[Package org.At.tair.db version 2.6.4 Index]