Question

Draw the complete structure of the following tetrapeptides (draw the ionized groups in the protonated form): 1) Met- Glu-Gly-His; 2) Phe-Asp-Phe-Thr.

Answer 1

See attached picture.

Step-by-step explanation:

Hello,

In this case, given that each amino acid is bonded via the peptidic bond (CONH) for each tetrapeptide we obtain the structures on the attached picture. Take into account that each tetrapeptide has an initial amino side and a ending carboxylic side.

Regards.