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Questions and Answers
What is the role of pyridoxal phosphate in the transfer of alpha-amino group?
What is the role of pyridoxal phosphate in the transfer of alpha-amino group?
- It forms a new amino acid
- It acts as the acceptor of the alpha-amino group
- It acts as the donor of the alpha-amino group (correct)
- It forms pyridoxine phosphate and a keto acid
What is the final product of the transfer of the alpha-amino group?
What is the final product of the transfer of the alpha-amino group?
- Pyridoxal phosphate
- A keto acid
- A new amino acid (correct)
- Pyridoxine phosphate
What is the function of the acceptor alpha-keto acid in the transfer of the alpha-amino group?
What is the function of the acceptor alpha-keto acid in the transfer of the alpha-amino group?
- It forms pyridoxine phosphate
- It acts as the donor of the alpha-amino group
- It acts as the acceptor of the alpha-amino group (correct)
- It forms a keto acid
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Study Notes
Transamination Reaction
- Pyridoxal phosphate (PLP) plays a crucial role in the transfer of the alpha-amino group by forming a Schiff base with the amino acid, allowing the transfer of the amino group to the acceptor alpha-keto acid.
- The final product of the transfer of the alpha-amino group is an alpha-keto acid, which is formed when the amino group is transferred to the acceptor alpha-keto acid.
- The acceptor alpha-keto acid functions as a recipient of the alpha-amino group, forming a new amino acid and an alpha-keto acid as products of the transamination reaction.
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