'Calcium dependent' presentation slideshows

Calcium

Calcium. [Ca2+]i very low ~50-100 nM Many calcium binding proteins = high buffering capacity Divalent cation forms ionic bridges Glutamic acid Aspartic acid Contribute to protein folding Quaternary Binding Substrate recognition. Sources of calcium. Intracellular

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Movement with changes of calcium levels of Calcium Dependent Protein Kinase of Toxoplasma gondii , a drug target (Eric T. Larson ) Ca -free state: PDB 3i7b; Ca -bound state: PDB 3hx4; Interpolation by Yale Morph server.

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