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Figure 4.
Fig. 4. The dimer model of E. coli SufC and the
conservation of the surface residues among the SufC orthologs.
(A) A ribbon representation of the SufC dimer with the D-loops
at the interface highlighted by thick lines. The model was
obtained by superimposing two SufC structures onto the ATP-bound
HlyB (H662A) dimer (PDB: 1XEF). Two ATP molecules at the
interface of the HlyB dimer are included in the model (black
sticks). The ABC signature motifs are shown in yellow. (B) A
ConSurf image in the same orientation as in (A) for the SufC
family. Conserved residues are shown in magenta, whereas
variable sites are shown in white and highly variable sites in
blue. (C) The ConSurf surface rotated 90° relative to the
y-axis of the images shown in (A) and (B).
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