it was found that the peptide portion of nephritogenoside is composed of twenty-one amino acids ( asn1-pro-leu-phe-gly5-ile-ala-gly-glu-asp10-gly-pro-thr-gly-pr o15-ser-gly-ile- val-gly20-gln21 ) and that the peptide portion has a repeated gly-x-y structure .
C0002520
amino acids
C0017890
gly