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Figure 3.
Figure 3. A view of the structure of the DR307A mutant
iron(II), succinate and CO[2] complex. (a) A similar view to
that in Figure 2, with the above residues omitted for clarity.
The electron density map is contoured to 1.29s; (b) close up
view of the CO[2]-binding site with succinate and the
side-chains of Val262 and Phe264 enclosing one face. The
remaining face of the molecule is bordered by residues in the C
terminus, the conformation of which may be significantly
different in solution (see the text for a discussion). The
electron density map is contoured to 1.69s.
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