Argininosuccinate Synthetase
About the Lecture
The lecture Argininosuccinate Synthetase by Kevin Ahern, PhD is from the course Amino Acid Metabolism.
Included Quiz Questions
Which of the following is true regarding argininosuccinate synthetase?
- Expression of this enzyme is reduced by arginine.
- It uses a mechanism with a covalent bond to ADP.
- It requires glutamic acid.
- Its deficiency leads to tyrosinemia.
- It catalyzes the fastest part of the reaction.
Which of the following is true regarding argininosuccinate lyase? Select all that apply.
- It releases fumarate.
- Glutamic acid is needed to cleave arginine.
- It is needed for the production of tyrosine.
- When deficient it leads to ammonia excess.
- It produces arginine.
Which of the following is true regarding arginase?
- It competes with nitric oxide synthase for arginine.
- It is the most commonly deficient enzyme of the cycle.
- It produces citrulline and urea from arginine.
- It produces ornithine and citrulline from arginine.
- There is only one form of arginase in cells.
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Author of lecture Argininosuccinate Synthetase
Kevin Ahern, PhD
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