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Figure 4.
Fig. 4. Variation in the dimerization interfaces of CBS-only
proteins. Ribbon diagrams of (a) HRP1, colored as in Fig. 3a,
illustrating that contacts between the CBS1 domains dominate the
dimerization interface. (b) CBS-only protein YkuL from B.
subtilis (PDB ID 1YAV) in green, which shows contributions from
both CBS domains to the dimer interface. (c) CBS-only protein
TM0892 from Thermot. maritima (PDB ID 1VR9) in cyan, in which
the dimerization is mediated by the CBS2 domains. (d) CBS-only
protein TA0289 from Thermop. acidophilum^36 (PDB ID 1PVM) in
magenta, where the dimer interface is composed of the CBS1
domains and additional C-terminal helices.
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