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Comparison of the mobility of SPC molecules and CaM. A) Total atomic B factors of the protein backbone atoms (in rainbow colors) and SPC atoms (light orange) represented as thermal ellipsoids. Arrows show B factor growing along SPC chains. Most mobile regions of the complex are the central linker region of CaM (residues 75–81) and SPCs. Figure was drawn using CCP4mg (39). B) B-factor plot of the structure.
