[Characteristics of distribution of amino acid residues in the primary structure of calmodulin].

Systemic analysis of the peculiarities of distribution of di-, tri- and tetrapeptide residues in amino acid sequence of calmodulins of different origin has been carried out. A conclusion is made that all the examined repeated tri- and tetrapeptide residues with comparatively low conformation mobility enter the alpha-helical conformations with low mobility in beta-turns, and tri- and tetrapeptides with intermediate meaning of conformation entropy in beta-sheet conformations of the calmodulin molecule.