kegg Kyoto Encyclopedia of Genes and Genomes kegg Release 102.0+/05-27, May 22 Kanehisa Laboratories pathway 926,690 entries brite 314,464 entries module 534 entries orthology 25,160 entries genome 8,458 entries genes 41,795,159 entries compound 18,922 entries glycan 11,084 entries reaction 11,773 entries rclass 3,177 entries enzyme 7,962 entries network 1,366 entries variant 456 entries disease 2,561 entries drug 11,910 entries dgroup 2,389 entries