Figure 2 - full size

 

Figure 2.
Figure 2. The structure of the central stalk. The color code for subunits is the same as in Fig. 1. The light blue regions have been described in earlier structures and new regions of structure in the subunit are dark blue. a, Side-on stereo view of stalk subunits (same view as in Fig. 1a). b, Stereo view of stalk subunits, rotated 90° with respect to ( a), viewed from the membrane.

The above figure is reprinted by permission from Macmillan Publishers Ltd: Nat Struct Biol (2000, 7, 1055-1061) copyright 2000.