Biochemistry
6th Edition
ISBN: 9781305577206
Author: Reginald H. Garrett, Charles M. Grisham
Publisher: Cengage Learning
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Chapter 26, Problem 6P
Allosteric Regulation of Ribonucleotide Reductase by ATP and Deoxynucleotides Describe the underlying rationale for the regulatory effects exerted on ribonucleotide reductase by ATP, dATP, dTTP, and dGTP.
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Assessment
+1501 pts
/1600
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Solution
? Hint
Sub
bo Each pictured Lewis structure is invalid. Identify the error in each case.
O Macmillan Learning
:0▬▬0:
Answer Bank
wrong electron total
:0-
:F======F:
octet-rule violation
N
:0:
[s] mM
V (M/s)
Uninhibited
0.333
1.65 x 107
1.05 x 107
V (M/s) x 10'
Inhibitor A
V (M/s) x 107
Inhibitor B
0.794 x 107
0.40
1.86 x 107
1.21 x 107
0.893 x 107
0.50
2.13 x 107
1.43 x 107
1.02 x 107
0.666
2.49 x 107
1.74 x 107
1.19 x 107
1.0
2.99 x 107
2.22 x 107
1.43 x 107
2.0
3.72 x 107
3.08 x 107
1.79 x 107
For a Michaelis-Menten reaction, k₁-5 x 10'/M-s, k.-2 x 10%/s, and k₂-4 x 10²/s.
a)
Calculate the Ks and KM for this reaction.
b)
Does substrate binding achieve equilibrium or steady state?
Chapter 26 Solutions
Biochemistry
Ch. 26 - Prob. 1PCh. 26 - Prob. 2PCh. 26 - Allosteric Regulation of Purine and Pyrimidine...Ch. 26 - Inhibition of Purine and Pyrimidine Metabolism by...Ch. 26 - Prob. 5PCh. 26 - Allosteric Regulation of Ribonucleotide Reductase...Ch. 26 - Prob. 7PCh. 26 - Prob. 8PCh. 26 - Prob. 9PCh. 26 - Prob. 10P
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