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Figure 6.
Fig. 6. Comparative analysis of the intersubunit contacts
in the X-actin and F-actin filaments. A, structural elements
forming the interface in the X-actin. Amino acid residues
197-199 (yellow), 225-238 (red), and 253-258 (orange) from an
actin subunit N and residues 112-116 (light green), 174-180
(dark green), 271-274 (blue), and 285-289 (cyan) from an
adjacent subunit N+1 are highlighted, and their positions are
indicated in the F-actin filament (B). Magnified view of the
structural elements buried at the X-actin interface (C) and
their positions at the interface of the F-actin (D) are shown.
Coloring scheme is consistent for all panels.
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