Department of Biological Chemistry, Department of Molecular Cell Biology and Department of Structural Biology, Weizmann Institute of Science, Rehovot 76100, Israel.|Department of Biological Chemistry, Department of Molecular Cell Biology and Department of Structural Biology, Weizmann Institute of Science, Rehovot 76100, Israel.|Department of Biological Chemistry, Department of Molecular Cell Biology and Department of Structural Biology, Weizmann Institute of Science, Rehovot 76100, Israel.|Department of Biological Chemistry, Department of Molecular Cell Biology and Department of Structural Biology, Weizmann Institute of Science, Rehovot 76100, Israel.