(5 items) (Drag and drop into the appropriate area below) o Ca²+ ions e bound to the lical region of Imodulin. ories Calmodulin wraps tightly around target proteins to activate them. The central helix of calmodulin changes shape to wrap around the target protein. Required Ca2+ ions are released to cause calmodulin to bind more tightly to target proteins. Ca2+ binding causes dimerization of the calmodulin protein leading. to AtSR1 binding and activation Not required

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