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Transamination pair (1)

Transamination pair (1)

Biochemistry
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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Reset Help oxaloacetate alpha-ketoglutarate aldehyde aspartate glutamine ketone asparagine glutamate Transamination pair (1) Transamination pair (2) Not part of a transamination pair
Transcribed Image Text:Reset Help oxaloacetate alpha-ketoglutarate aldehyde aspartate glutamine ketone asparagine glutamate Transamination pair (1) Transamination pair (2) Not part of a transamination pair
Transamination is a chemical reaction that transfers an amino group to a keto acid to form new amino acids. This pathway is responsible for the deamination of most amino acids. This pathway is one of the major degradation pathways that converts essential amino acids to nonessential amino acids (amino acids that can be synthesized de novo by the organism). Transamination reactions can be regarded as anaplerotic pathways because they are reversible reactions that can yield citric acid cycle intermediates. Cells containing amino acids in abundance can convert them via transamination to needed intermediates. Being reversible, transaminations can be used either for amino acid synthesis or for replenishment of citric acid cycle intermediates, depending on the needs of the cell. Corresponding pairs of reactants (amino acids) and products (intermediates) are called transamination pairs. Identify the transamination pairs among the following species. Drag the appropriate species to their respective bins. Hint 1. General transamination reaction In the reaction shown, the amino group from the species containing R1 is transferred to the keto acid containing R2: NH, NH, R,-C-co0 + R-C-co0 R,-C-CoO + R-C-c0"
Transcribed Image Text:Transamination is a chemical reaction that transfers an amino group to a keto acid to form new amino acids. This pathway is responsible for the deamination of most amino acids. This pathway is one of the major degradation pathways that converts essential amino acids to nonessential amino acids (amino acids that can be synthesized de novo by the organism). Transamination reactions can be regarded as anaplerotic pathways because they are reversible reactions that can yield citric acid cycle intermediates. Cells containing amino acids in abundance can convert them via transamination to needed intermediates. Being reversible, transaminations can be used either for amino acid synthesis or for replenishment of citric acid cycle intermediates, depending on the needs of the cell. Corresponding pairs of reactants (amino acids) and products (intermediates) are called transamination pairs. Identify the transamination pairs among the following species. Drag the appropriate species to their respective bins. Hint 1. General transamination reaction In the reaction shown, the amino group from the species containing R1 is transferred to the keto acid containing R2: NH, NH, R,-C-co0 + R-C-co0 R,-C-CoO + R-C-c0"
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