作者单位:Univ Chinese Acad Sci, Coll Life Sci, YuQuan Rd 19A, Beijing 100049, Peoples R China[1]Chinese Acad Sci, Inst Zool, State Key Lab Biomembrane & Membrane Biotechnol, Beijing, Peoples R China[2]Karolinska Inst, Div Biochem, Dept Med Biochem & Biophys, Stockholm, Sweden[3]