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  • Title: Normal mature human enamel protein.
    Author: Belcourt A.
    Journal: J Dent Res; 1979 Mar; 58(Spec Issue B):986-7. PubMed ID: 283141.
    Abstract:
    Pure enamel was prepared using an original microdissection technic. Protein concentration was 375 microgram per gram of enamel. Polyacrylamide gel electrophoresis showed a single fast-migrating zone containing a thin double band. Ultracentrifugation studies suggested that the proteins were of low molecular weight or of weak density. Absorption spectra showed a strong absorbance at 260nm. Amino acid analyses yielded a composition of 25% Gly, 13.5% Glu, 11% Ser, 11% Pro, 2% Cys and 2% Hyp. A glucidic content of 15% was estimated and glucose, galactose, mannose and fucose were identified. The organic matrix of enamel seemed to be constituted of two major glycoproteins probably fibrous but different from keratin.
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