... unidentified oligomeric forms of bc1assembly factors [12,29,32 ,41 ]. Of course, the possibility that other protein components of the respi-ratory chain, such as subunits of the cytochrome coxidase, or ... Bio-genesis of cytochrome c1: role of cytochrome c1hemelyase and of the two proteolytic processing steps duringimport into mitochondria. J Biol Chem 2 64, 10156–10168. 34 Ohashi A, Gibson J, Gregor ... which these putative sub-complexes bind to eachother during the assembly of the bc1complex is alsounknown. Furthermore, as in the case of the biogene-sis of other multi-subunit complexes of the...