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. 2005 Oct 20;90(2):566–577. doi: 10.1529/biophysj.105.067058

FIGURE 3.

FIGURE 3

C. reinhardtii cyt f-PC and cyt f-cyt c6 interactions. The intact cyt fs and their corresponding large domains were interacted with PC and cyt c6 at 10 mM ionic strength and pH 7.0. Five sets of 10,000 trajectories each were carried out, after which the average of the number of successful complexes per 10,000 trajectories were plotted as a function of Fe-Cu (for cyt f-PC interactions) and Fe-Fe (for cyt f-cyt c6 interactions) distance at the closest approach. The number of complexes with closest metal-to-metal distances between 15 and 15.25 Å are indicated by the point at 15 Å, etc. (A) Three cyt f structures in the PDB code of 1CFM and their corresponding large domains interacting with PC. (B) Three cyt f structures in the PDB code of 1CFM and their corresponding large domains interacting with cyt c6. (C) The extramembrane domain of the cyt f subunit from the cyt b6f complex (PDB code 1Q90) and its large domain interacting with PC. (D) The extramembrane domain of the cyt f subunit from the cyt b6f complex (PDB code 1Q90) and its large domain interacting with cyt c6.