Center for Biological Sequence Analysis, Technical University of Denmark, 2800 Lyngby, Denmark.|Center for Biological Sequence Analysis, Technical University of Denmark, 2800 Lyngby, Denmark.|Center for Biological Sequence Analysis, Technical University of Denmark, 2800 Lyngby, Denmark.|Center for Biological Sequence Analysis, Technical University of Denmark, 2800 Lyngby, Denmark.|Center for Biological Sequence Analysis, Technical University of Denmark, 2800 Lyngby, Denmark.|Center for Biological Sequence Analysis, Technical University of Denmark, 2800 Lyngby, Denmark.|Center for Biological Sequence Analysis, Technical University of Denmark, 2800 Lyngby, Denmark.|Center for Biological Sequence Analysis, Technical University of Denmark, 2800 Lyngby, Denmark.