ko02000  Transporters
     ko02001  Solute carrier family
     ko02044  Secretion system
     ko02042  Bacterial toxins
     ko02022  Two-component system
     ko02035  Bacterial motility proteins
     ko04812  Cytoskeleton proteins
     ko04030  G protein-coupled receptors
     ko01020  Enzyme-linked receptors
     ko04050  Cytokine receptors
     ko03310  Nuclear receptors
     ko04040  Ion channels
     ko04031  GTP-binding proteins
     ko04052  Cytokines
     ko04516  Cell adhesion molecules and their ligands
     ko04090  Cellular antigens
     ko00535  Proteoglycans
     ko00536  Heparan sulfate/heparin binding proteins
     ko04091  Glycan binding proteins