Computational Systems Biochemistry, Institute of Biochemistry, Charité-Universitätsmedizin Berlin, Germany. katrin.huebner@bioquant.uni-heidelberg.de|Computational Systems Biochemistry, Institute of Biochemistry, Charité-Universitätsmedizin Berlin, Germany. katrin.huebner@bioquant.uni-heidelberg.de|Computational Systems Biochemistry, Institute of Biochemistry, Charité-Universitätsmedizin Berlin, Germany. katrin.huebner@bioquant.uni-heidelberg.de|Computational Systems Biochemistry, Institute of Biochemistry, Charité-Universitätsmedizin Berlin, Germany. katrin.huebner@bioquant.uni-heidelberg.de|Computational Systems Biochemistry, Institute of Biochemistry, Charité-Universitätsmedizin Berlin, Germany. katrin.huebner@bioquant.uni-heidelberg.de