after rechromatography and amino acid analysis , a sequence/composition of cys-cys-ala-ala-ala-his-pro , his , glu , cys , tyr , ala , lys was obtained for the mutant peptide , while a sequence of cys-cys-ala-ala-ala-asp-pro-his-glu-cys-tyr , ala , lys was obtained for the normal peptide .
C0002520
amino acid
C0061472
glu