intIDs
list containing Biopax model with newly generated internal IDs
as processed with genintIDs function.
The components of the list are biopax models for "biocarta", "kegg", "nci",
"reactome". In case a database was not chosen the list
entry contains a NA.
database_int
integer indicating database entry in indIDs (output of
genintIDs); biocarta = 1, kegg = 2, nci = 4, reactome = 4.