Map Entrez Gene identifiers to GenBank Accession Numbers

Description

org.Rn.egACCNUM is an R object that contains mappings between Entrez Gene identifiers and GenBank accession numbers.

Details

This object is a simple mapping of Entrez Gene identifiers http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=gene to all possible GenBank accession numbers.

Mappings were based on data provided by: Entrez Gene ftp://ftp.ncbi.nlm.nih.gov/gene/DATA With a date stamp from the source of: 2013-Sep12

Examples

    x <- org.Rn.egACCNUM
    # Get the entrez gene identifiers that are mapped to an ACCNUM
    mapped_genes <- mappedkeys(x)
    # Convert to a list
    xx <- as.list(x[mapped_genes])
    if(length(xx) > 0) {
      # Get the ACCNUM for the first five genes
      xx[1:5]
      # Get the first one
      xx[[1]]
    }
    #For the reverse map ACCNUM2EG:
    # Convert to a list
    xx <- as.list(org.Rn.egACCNUM2EG)
    if(length(xx) > 0){
       # Gets the entrez gene identifiers for the first five Entrez Gene IDs
       xx[1:5]
       # Get the first one
       xx[[1]]
    }