a combined gas chromatographic mass spectrometric analysis of the trifluoroacetylated peptide methyl esters of partial hydrolysates revealed a tentative sequence of 23 residues including 10 2-methylalanines and one phenylalaninol , which shows many fragments known from alamethicin : ac-aib-pro-val-aib-val-ala-aib-ala-aib-aib-gln-aib-leu-aib-gly-leu-aib-pro-val-a ib-aib-glu ( pheol ) -gln-oh .
C0061472
glu
C0017797
gln