Protein Information Technology Group, Department of Computer Science, Eötvös University, Pázmány P, stny., 1/C, H-1117 Budapest, Hungary. devill@cs.elte.hu|Protein Information Technology Group, Department of Computer Science, Eötvös University, Pázmány P, stny., 1/C, H-1117 Budapest, Hungary. devill@cs.elte.hu|Protein Information Technology Group, Department of Computer Science, Eötvös University, Pázmány P, stny., 1/C, H-1117 Budapest, Hungary. devill@cs.elte.hu