Mm cpn (Methanococcus maripaludis chaperonin), found in the archaea Methanococcus maripaludis, is composed of sixteen identical subunits (eight per ring).
A Mm cpn (chaperonina de Methanococcus maripaludis), que se encontra na arquea Methanococcus maripaludis, está composta de 16 subunidades idénticas (oito por anel).