kegg Kyoto Encyclopedia of Genes and Genomes kegg Release 117.0+/02-08, Feb 26 Kanehisa Laboratories pathway 584 entries brite 450,060 entries module 686,187 entries orthology 28,070 entries genome 26,274 entries genes 65,539,147 entries compound 19,571 entries glycan 11,246 entries reaction 12,384 entries rclass 3,208 entries enzyme 8,309 entries network 1,719 entries variant 1,828 entries disease 3,027 entries drug 12,769 entries dgroup 2,532 entries