The single-ring Thermoanaerobacter brockii chaperonin 60 (Tbr-EL7) dimerizes to Tbr-EL14.Tbr-ES7 under protein folding conditions.
Todd MJ, Walke S, Lorimer G, Truscott K, Scopes RK. The single-ring Thermoanaerobacter brockii chaperonin 60 (Tbr-EL7) dimerizes to Tbr-EL14.Tbr-ES7 under protein folding conditions. Biochemistry. 1995 Nov 14; 34(45):14932-41.