Calmodulin-Binding Proteins/chemistry; Calmodulin-Binding Proteins/metabolism; Dictyostelium/enzymology; Gene Expression Regulation, Developmental; Phosphoprotein Phosphatases/chemistry; Phosphoprotein Phosphatases/metabolism; Amino Acid Sequence; Animals; Antibodies/immunology; Base Sequence; Blotting, Western; Calcineurin; Calcium/metabolism; Calmodulin/metabolism; Calmodulin-Binding Proteins/genetics; Calmodulin-Binding Proteins/immunology; Chromatography, Affinity; Cloning, Molecular; DNA, Complementary/genetics; Dictyostelium/genetics; Dictyostelium/growth & development; Enzyme Inhibitors/pharmacology; Escherichia coli/genetics; Imidazoles/pharmacology; Melitten/pharmacology; Molecular Sequence Data; Phosphoprotein Phosphatases/genetics; Phosphoprotein Phosphatases/immunology; Recombinant Proteins/chemistry; Recombinant Proteins/metabolism; Sequence Alignment; Sequence Analysis