kegg Kyoto Encyclopedia of Genes and Genomes kegg Release 117.0+/02-14, Feb 26 Kanehisa Laboratories pathway 584 entries brite 450,529 entries module 686,335 entries orthology 28,075 entries genome 26,292 entries genes 65,654,020 entries compound 19,571 entries glycan 11,251 entries reaction 12,384 entries rclass 3,208 entries enzyme 8,309 entries network 1,719 entries variant 1,829 entries disease 3,029 entries drug 12,769 entries dgroup 2,532 entries