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Figure 9
Structural alignment of residues 138–141 displaying the variation in position among the structures representing each cluster. The overall average structure, PDB entry 7kty, which is cluster 145 in the dendrogram, is colored white. PDB entries 7ktz, 7ku0, 7ku1, 7ku2 and 7ku3, which are clusters 131, 138, 139, 140 and 141, are colored purple, yellow, green, red and cyan, respectively. The top half shows the variation in the backbone alone. The bottom half shows the variation including the side chains. Remember that the green and red clusters are structures with a = 114–115 Å and all the others have a = 111 Å.

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ISSN: 2059-7983
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