Answered: The tripeptide +H3N-Leu-His-Glu-COO-…

The tripeptide +H3N-Leu-His-Glu-COO- has pKa values of 2.2, 3.6, 6.0 and 9.1. The isoelectric point (pI) for this peptide will be

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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Question

The tripeptide ⁺H₃N-Leu-His-Glu-COO^- has pK_avalues of 2.2, 3.6, 6.0 and 9.1. The isoelectric point (pI) for this peptide will be:

8
5
6
4
None of the above

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