Figure 8.
Figure 8. Maturase-facilitated folding of the bI3 intron RNA via
action at a distance. The bI3 maturase recognizes a distal
structure in a peripheral domain and lies at least 50 Å from the
group I intron active site (orange). Green, the maturase -strands;
dark gray, the remainder of the protein; light blue, regions
protected from solvent-based hydroxyl radical cleavage upon
maturase binding; yellow spheres, sulfate groups visualized
crystallographically; brown asterisk, a potential auxiliary
RNA-protein interaction site.
The above figure is reprinted
by permission from Macmillan Publishers Ltd:
Nat Struct Mol Biol
(2005,
12,
779-787)
copyright 2005.
-strands;
dark gray, the remainder of the protein; light blue, regions
protected from solvent-based hydroxyl radical cleavage upon
maturase binding; yellow spheres, sulfate groups visualized
crystallographically; brown asterisk, a potential auxiliary
RNA-protein interaction site.