Rotary-shadowed electron micrograph of chaperonin immobilized onto the coverslip surface.

<p>(A) With immobilized chaperonin. The boxed area in the <i>upper panel</i> is enlarged in the <i>lower panel</i>. The particles comprise almost exclusively ring-shaped end-on views (<i>black arrowheads</i>). The white arrowhead indicates a cluster of glycerol. (B) Without immobilized chaperonin. The scale bars represent 100 nm.</p>