Figure 1.
Figure 1. (a) A ribbon diagram of the Aspergillus aculeatus
polygalacturonase structure viewed onto b-sheet PB1. (b) Stereo
view showing the cross-section of the b-helix and the aligned
residues viewed from the N-terminal side. Four complete turns in
the middle of the b-helix are shown with the labels of b-sheets
and turns.
The above figure is reprinted
by permission from Elsevier:
J Mol Biol
(2001,
311,
863-878)
copyright 2001.
