[Conjugates of amino acids with glucosamine isolated from the plasma of rats with Guerin carcinoma].

The conjugate of amino acids and glucosamine (glycamine) was purified to homogeneity from blood plasma of rats with Guerin carcinoma. The NH2-groups of amino acids in the glycamine are free. Amino acids are linked to glucosamine via carboxyl groups. 8 amino acids residues were identified in the glycamine molecule (Glu-2, Ser-2, Gly-3, Lys-1). Spatial atomic-molecular model of the glycamine molecule was developed. Two glucosamine molecules are linked to diaminosaccharide via (1-4)-bond, 8 amino acid molecules are linked to diaminosaccharide via 6 ester and 2 pseudopeptide bonds.