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Tyrosine-containing proteins calcium-binding

Human saliva is supersaturated with basic calcium phosphate, to allow recalcification and protection of the dental enamel. Precipitation in the saliva is prevented by certain calcium binding proteins, which include statherin268 (a 5380 molecular weight tyrosine-rich protein that also contains many proline and glutamic acid residues), and a group of proline-rich proteins.269... [Pg.578]

In lower vertebrates, TN-C is absent, and the calcium-binding function is performed by structurally similar proteins, 12,000, known as Parvalbumins (see). The parvalbumins characteristically contain no cystine, cysteine, tyrosine or tryptophan, and therefore have no absorption maximum at 280 nm. Higher vertebrates also contain these proteins. Parvalbumins have been isolated from the muscle of chicken, turkey, rabbit and human. [Pg.418]

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See also in sourсe #XX -- [ Pg.28 ]



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Calcium binding

Calcium-binding proteins

Protein calcium

Tyrosine-containing proteins

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