Methionine and valine enter the TCA cycle as succinyl-CoA Glutamate enters as the compound shown to the right → Tyrosine enters as the compound shown below: COO → ↑ C=O (tyrosine can also enter as acetoacetyl-CoA, but don't worry about that now). COO- CH2 CH2 HC coo- COO- CH OOC

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
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a. A peptide fragment MVEY is degraded to individual amino acids and ultimately their

four respective carbon skeletons.

b. How much NADH, FADH2, and (A or G)TP will be produced from the oxidation of these carbon skeletons

as they complete the TCA cycle?

c.How much total ATP will be generated after the resulting electron carriers complete

the electron transport chain?

Methionine and valine enter the TCA cycle as succinyl-CoA
Glutamate enters as the compound shown to the right →
Tyrosine enters as the compound shown below:
COO
→
↑
C=O
(tyrosine can also enter as acetoacetyl-CoA, but don't worry about that now).
COO-
CH2
CH2
HC
coo-
COO-
CH
OOC
Transcribed Image Text:Methionine and valine enter the TCA cycle as succinyl-CoA Glutamate enters as the compound shown to the right → Tyrosine enters as the compound shown below: COO → ↑ C=O (tyrosine can also enter as acetoacetyl-CoA, but don't worry about that now). COO- CH2 CH2 HC coo- COO- CH OOC
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