... J-domain (J) into the intermembrane space and has arole in anchoring Hsp70, thereby assisting in the transfer of prepro-teins to the translocase at the inner envelope membrane (Tic). The stoichiometry ... nucleotidebinding and the overall structure of the monomer[53,58]. In favour of the arginine finger hypothesis is the observation made in some [48,51,53] but not allstudies [52,58] demonstrating that the ... many proteins involved in photosyn-thesis (termed ‘photosynthetic proteins’), suggestingthat both atToc33 and atToc159 are involved in the import of photosynthetic proteins. However, the reduced...