Swiss-Prot Group, SIB Swiss Institute of Bioinformatics, 1 Michel Servet, 1211 Geneva 4, Switzerland. anne-lise.veuthey@isb-sib.ch|Swiss-Prot Group, SIB Swiss Institute of Bioinformatics, 1 Michel Servet, 1211 Geneva 4, Switzerland. anne-lise.veuthey@isb-sib.ch|Swiss-Prot Group, SIB Swiss Institute of Bioinformatics, 1 Michel Servet, 1211 Geneva 4, Switzerland. anne-lise.veuthey@isb-sib.ch|Swiss-Prot Group, SIB Swiss Institute of Bioinformatics, 1 Michel Servet, 1211 Geneva 4, Switzerland. anne-lise.veuthey@isb-sib.ch|Swiss-Prot Group, SIB Swiss Institute of Bioinformatics, 1 Michel Servet, 1211 Geneva 4, Switzerland. anne-lise.veuthey@isb-sib.ch|Swiss-Prot Group, SIB Swiss Institute of Bioinformatics, 1 Michel Servet, 1211 Geneva 4, Switzerland. anne-lise.veuthey@isb-sib.ch|Swiss-Prot Group, SIB Swiss Institute of Bioinformatics, 1 Michel Servet, 1211 Geneva 4, Switzerland. anne-lise.veuthey@isb-sib.ch