About the Authors
Stockholm Bioinformatics Center, Center for Biomembrane Research, Stockholm University, Stockholm, Sweden
The authors have declared that no competing interests exist.
ÅKB and AE conceived and designed the experiments. ÅKB performed the experiments. ÅKB and DE analyzed the data. ÅKB, DE, and AE contributed reagents/materials/analysis tools. ÅKB and AE wrote the paper.