Figure 2
A stereoview of the R. sphaeroides RC (PDB code 1PCR; Ermler et al., 1994). Subunits L, M and H are drawn as ribbons. Prosthetic groups for Bch b (blue), two Bph b (green), two quinones (yellow), one non-haem iron (pink) and one carotenoid (red) are drawn as ball-and-sticks. The prosthetic groups are well arranged for energy transfer among these groups. |