Karyopherinsbeta Karyopherinsalpha KaryopherinsNuclear PoreActive Transport, Cell Nucleusran GTP-Binding ProteinNuclear Pore Complex ProteinsNuclear Localization SignalsCell NucleusSaccharomyces cerevisiae ProteinsNuclear ProteinsSaccharomyces cerevisiaeReceptors, Cytoplasmic and NuclearProtein BindingMolecular Sequence DataPhylogenyAmino Acid SequenceMultigene FamilySequence Homology, Amino AcidSequence AlignmentEvolution, MolecularBase SequenceCloning, Molecular