1. Department of Chemistry, Umeå University, SE-901 87 Umeå, Sweden, Computational Life Science Cluster (CLIC), KBC, Umeå University, SE-901 87 Umeå, Sweden, Umeå Plant Science Centre, Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, SE-901 83 Umeå, Sweden, and Umeå Plant Science Centre, Department of Plant Physiology, Umeå University, SE-901 87 Umeå, Sweden