Function to get genes names and numbers from kegg (for internal use)
Function to get genes names and numbers from kegg (for internal use)
This function extracts for a particular pathway all genes and the numbers they are represented with in the KEGG network from the corresponding KGML pathway file.
## S4 method for signature 'character'gene_name_number(x)
Arguments
x: A character hsa identifier of the pathway for which gene infomation should be extracted as used in KEGG database ('hsa00100').
Returns
A data.frame listing the genes included in the pathway with their names as well as numbers used in KEGG database.