Functionality for manipulating KEGG annotations.
KEGG is a bit hard find, but there exist species-specific tables Available organisms are listed in the table at
Data for each organism is stored its own subdirectory under
Containing tables linking everything -- including external resources like UniProt, PDB, or NCBI -- together.
Most KEGG files that contain associations, have one association per line, consisting of two items separated by whitespace. This is a generalized reader function.