Identification of N-Methylated Basic Amino Acids from Human Adult Teeth

Abstract

N^E-monomethyl-lysine, N^G-N^G-dimethyl-arginine, and N^G-N^G' -dimethyl-arginine from tooth protein fractions were identified utilizing thin-layer chromatography, amino acid analysis, and gas chromatography. It is suggested that a relationship exists between the presence of these N-methylated basic amino acids and the resting stage of tooth tissue.

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