N-terminal Edman gives PTH-AlanineC terminal carboxypeptidase treatment no obser

N-terminal Edman gives PTH-AlanineC terminal carboxypeptidase treatment no observable reactionTrypsin cleavage gives three products1. Arg2. Peptide containing Ala Lys3. Peptide containing Asp Met Phe ProMild Chymotrypsin cleavage gives 2 peptides1. Peptide containing Asp Pro2. Peptide containing Ala Arg Lys Met PheCNBr cleavage gives 2 peptides1. Peptide containing Ala Arg Lys and homoserine2. Peptide containing Asp Phe ProYou
must supply the answer as the 3-letter amino acid sequence from
N-terminus to C-terminus in the form (you must use dashes not spaces
between the amino acids) for example;Met-Thr-Glu-Trp