Alanine substitutions in calmodulin-binding peptides result in unexpected affinity enhancement.

Abstract excerpt

Calmodulin is a calcium-binding protein that regulates a wide range of enzymes. It is also one of the few examples of a small protein capable of binding to peptides with very high affinity, and is therefore an interesting candidate for biotechnological applications and a good model system for studying how proteins associate. We have synthesized a complete series of peptides derived from the recognition sequence...

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