Question

Part A Provide the structure of the tripeptide val-gly-ser at pH 2 Draw the molecule on the canvas by cho sing buttons from the T The single bond is active by default. 12D L3

Answer 1

Structures of the all three amino acids are given below as follows: OH NH2 OH OH НaN Н>N OH Valine Glycine Serine The tripeptide is formed form these three peptides is given below as follows HO NH2 OH OH H2N H2N ОН Valine Glycine Serine OH NH2 OH val-gly-ser At pH 2, solution is acidic in nature and in acidic nature basic nitrogen is protonated as follows OH NH2 OH val-gly-ser pH 2 OH NHa OH