on examining the structure of the antibiotic tridecaptin a , the constituent amino acids were determined to be : 2,4-diaminobutyric acid ( 2d , 1l ) , ser ( 1d , 1l ) , glu ( 1l ) , gly ( 1 ) , ala ( 1l ) , val ( 1d , 1l ) , aile ( 1d ) , phe ( 1l ) and trp ( 1d ) .
C0002520
amino acids
C0061472
glu