Figure 5.
Figure 5. The coordination of the Mg ion on the
quasi-3-fold axis. The glutamate, threonine, and aspartate
residues involved are labeled. These cations may serve a crucial
role in the formation and maintenance of the capsid structure,
and the carboxyl groups are likely those earlier identified as
Caspar carboxyls.[13]
The above figure is reprinted
by permission from Elsevier:
J Mol Biol
(2002,
317,
95-0)
copyright 2002.
