kegg Kyoto Encyclopedia of Genes and Genomes kegg Release 118.0+/04-12, Apr 26 Kanehisa Laboratories pathway 585 entries brite 455,176 entries module 690,798 entries orthology 28,170 entries genome 26,563 entries genes 66,354,928 entries compound 19,571 entries glycan 11,251 entries reaction 12,384 entries rclass 3,208 entries enzyme 8,309 entries network 1,769 entries variant 1,953 entries disease 3,047 entries drug 12,799 entries dgroup 2,535 entries