Studies of the proteins, peptides and free amino acids of mature bovine enamel |
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| Authors: | M J Glimcher and P T Levine |
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| Institution: | Department of Orthopedic Surgery, Harvard Medical School, Massachusetts General Hospital, and the Forsyth Dental Center, Boston, Mass., U.S.A. |
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| Abstract: | 1. The organic matrix of enamel from erupted bovine teeth has been found to be composed mostly of small peptides containing principally aspartic acid, glycine, glutamic acid and serine. 2. A small amount of higher-molecular-weight components has been isolated by various procedures. One non-diffusible fraction was found to be heterogeneous in the ultracentrifuge, and composed principally of material that by gel filtration indicated a molecular weight greater than 30000. These components were largely carbohydrate in nature (glycoproteins and glycopeptides), containing only small amounts of amino acids. |
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