SEC was performed by using a TosoHaas TSK G4000SW column as described in
Materials and Methods. Squares, Mj HSP16.5–SCM at a 1:1 molar
ratio, unheated; diamonds, Mj HSP16.5–SCM at a 1:1 molar ratio was
heated at 80°C for 20 min and centrifuged at 10,000 × g for
10 min, and the supernatant was applied to the sizing column.