Need help, please. Not too sure why my answer is incorrect. Please show all steps/work. You are working with the following peptide:Ser-Glu-Gln-Arg-Pro-Met-LysAmino R groupAcid pk,12.483.868.334.266.00ArgAspCysGluHisLysTyr10.5310.07What would the net charge of this peptide be at pH=9.20?X-10.500.

The proteins are constituted of 20 naturally occurring alpha amino acids. Each of the amino acids…

You are working with the following peptide: Ser-Glu-Gln-Arg-Pro-Met-Lys Amino Acid Arg Asp Cys Glu His Lys Tyr R group pk, 12.48 3.86 8.33 4.26 6.00 10.53 10.07 What would the net charge of this peptide be at pH=9.20?

You are working with the following peptide: Ser-Glu-Gln-Arg-Pro-Met-Lys Amino Acid Arg Asp Cys Glu His Lys Tyr R group pk, 12.48 3.86 8.33 4.26 6.00 10.53 10.07 What would the net charge of this peptide be at pH=9.20?

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

Need help, please. Not too sure why my answer is incorrect. Please show all steps/work.

You are working with the following peptide:
Ser-Glu-Gln-Arg-Pro-Met-Lys
Amino R group
Acid pk,
12.48
3.86
8.33
4.26
6.00
Arg
Asp
Cys
Glu
His
Lys
Tyr
10.53
10.07
What would the net charge of this peptide be at pH=9.20?
X
-1
0.500.

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