amino acid analysis of hydrolysates of purified mucopeptides from the variant showed that they contained 1.266 serine and 2.156 glycine residues per glutamic acid residue , compared with 0.174 serine and 3.144 glycine residues per glutamic acid residue in the mucopeptide of the parent strain .
C0002520
amino acid
C0061472
glutamic acid