title: Comparative genomics, genome cross-referencing and XREFdb.
mesh_terms: D000818:Animals; D001483:Base Sequence; D003195:Computer Communication Networks; D003628:Database Management Systems; D016208:Databases, Factual; D005796:Genes; D016678:Genome; D006801:Humans; D011506:Proteins / Q000235:genetics; D013045:Species Specificity
chemical_list: D011506:Proteins