amino acid analyses showed the two kininogen fractions to be rich in acidic amino acids and to have a total carbohydrate content of 8.5 % consisting of galactose ( 1.2 to 1.5 % ) , mannose ( 1.9 to 2.1 % ) , n-acetylglucosamine ( 4.3 to 5.1 % ) , n-acetylgalactosamine ( 0.3 % ) , and sialic acid ( 0.68 % ) .
C0002520
amino acid
C0815040
acidic amino acids