Question


Shown above are images of two amino acids, along with the pKas of each of their titrateable groups.

(a) Calculate the isoelectric point (pI) of the dipeptide Glycine-Arginine.

unanswered
(b) Calculate the isoelectric point (pI) of the dipeptide Arginine-Glycine.

Chemgam
a) 11.13
b) 10.76
pj
can you tell the formula chemgam please.
Chemgam
Had the answer from someone else and still awaiting the formula to double check.
Anonymous
If you check week 12: Amino Acids and Protein Synthesis, S32E5: SYNTHESIS OF PEPTIDES, you can work your way through this problem...