ratmap MI:1079 ratmap PSI-MI orchard 2011-07-05T10:32:10Z The rat genome database RatMap (http://ratmap.org or http://ratmap.gen.gu.se) has been one of the main resources for rat genome information since 1994. The database is maintained by CMB Genetics at Gothenburg University in Sweden and provides information on rat genes, polymorphic rat DNA-markers and rat quantitative trait loci (QTLs), all curated at RatMap. genome databases