ko03000  Transcription factors
     ko03021  Transcription machinery
     ko03041  Spliceosome
     ko03011  Ribosome
     ko03009  Ribosome biogenesis
     ko03016  Transfer RNA biogenesis
     ko03012  Translation factors
     ko03110  Chaperones and folding catalysts
     ko04131  SNAREs
     ko04121  Ubiquitin system
     ko03051  Proteasome
     ko03032  DNA replication proteins
     ko03036  Chromosome
     ko03400  DNA repair and recombination proteins