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J Dent Res 33(1): 62-64, 1954
© 1954 International and American Associations for Dental Research
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THE AMINO ACID COMPOSITION OF PROTEINS ISOLATED FROM THE HEALTHY ENAMEL AND DENTIN OF CARIOUS TEETH

W. C. HESS PH.D.1 and C. LEE M.S.1

1 Department of Biological Chemistry, Georgetown University, School of Medicine and Dentistry, Washington, D. C.

The proteins were isolated from the healthy portions of carious human molars. Analyses of the amino acid content were performed on seven different preparations of the proteins, five molars being used for each preparation. The results were averaged, and the amino acid composition of the protein from the healthy portion of the carious dentin was practically identical to that of the protein obtained from normal dentin. The amino acid composition of the enamel protein isolated from the healthy portion of carious teeth showed marked differences from that of the protein isolated from normal enamel.

Submitted on February 11, 1953






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