[1] Stockholm Univ, Ctr Biomembrane Res, Dept Biochem & Biophys, SE-10691 Stockholm, Sweden
[2] AlbaNova Univ Ctr, Sch Biotechnol, Royal Inst Technol, Stockholm, Sweden
[3] Univ London Imperial Coll Sci Technol & Med, Div Mol Biosci, London SW7 2AZ, England
[4] Univ Bielefeld, Inst Genome Res & Syst Biol, Ctr Biotechnol, D-33615 Bielefeld, Germany
[5] Max Planck Inst Marine Microbiol, D-28359 Bremen, Germany
[6] Univ Groningen, Dept Biochem, Groningen Biomol Sci & Biotechnol Inst, NL-9747 AG Groningen, Netherlands