Amino acid Ala Asp Arg Cys a-carboxyl group a-amino group pK a pK a 2.35 9.78 1.99 9.90 1.82 8.99 1.92 10.7 R-group pK 3.90 12.48 8.37

Biochemistry
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ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
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Chapter1: Biochemistry: An Evolving Science
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Chemistry

the table below shows the pka values of the ff amino acidss
 
what is the pI of the peptide C A R D
a. 10.73
b. 8.68
c. 6.13
d. 2.p1.  
Amino acid
Ala
Asp
Arg
Cys
a-carboxyl group a-amino group
pK a
pK a
2.35
9.78
1.99
9.90
1.82
8.99
10.7
1.92
R-group pK
3.90
12.48
8.37
Transcribed Image Text:Amino acid Ala Asp Arg Cys a-carboxyl group a-amino group pK a pK a 2.35 9.78 1.99 9.90 1.82 8.99 10.7 1.92 R-group pK 3.90 12.48 8.37
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