5-60 SH SH . Which is the most predominant form(s) of Cysteine at the point A on the titration curve? [Select] • Identify which form (among the given above) would Cys assume when the solutions's pH is at its pl [Select] and • Identify the pl (isoelectric point) of this amino acid on the graph: it is marked as [Select] on the graph.

Introduction to General, Organic and Biochemistry
11th Edition
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Chapter22: Proteins
Section: Chapter Questions
Problem 22.68P
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The following is the titration curve of Cysteine. Different charge states of Cys are shown in
the table below. Answer the following questions using the information given here.
B
A
Question 6
ů
9
8
Hd
20
21
0€ 52
01
Form 4
Form 3
10
O=O
-0--8--
20
(OH) (equivalents)
H&N=CH-C-0
Form 2
--
1-6-5
05
H₂N-CH-C-OH
Form 1
-6-5
SH
SH
. Which is the most predominant form(s) of Cysteine at the point A on the titration curve?
[Select]
• Identify which form (among the given above) would Cys assume when the solutions's pH is
at its pl
[Select]
and
• Identify the pl (isoelectric point) of this amino acid on the graph: it is marked as
[Select]
on the graph.
Question 7
Transcribed Image Text:The following is the titration curve of Cysteine. Different charge states of Cys are shown in the table below. Answer the following questions using the information given here. B A Question 6 ů 9 8 Hd 20 21 0€ 52 01 Form 4 Form 3 10 O=O -0--8-- 20 (OH) (equivalents) H&N=CH-C-0 Form 2 -- 1-6-5 05 H₂N-CH-C-OH Form 1 -6-5 SH SH . Which is the most predominant form(s) of Cysteine at the point A on the titration curve? [Select] • Identify which form (among the given above) would Cys assume when the solutions's pH is at its pl [Select] and • Identify the pl (isoelectric point) of this amino acid on the graph: it is marked as [Select] on the graph. Question 7
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