Question

What is the isoelectric point of each of the following peptides?

1. His-Ala-Tyr

2. Ala-Lys-His-Ala

Answer 1

1) Isoelectric point of His-Ala-Tyr is 7.37

2) Isoelectric point of Ala-Lys-His-Ala is still 7.37