Nucleotide Metabolism | Mechanism of OMP (Orotidylate) Decarboxylase

Nucleotide Metabolism | Mechanism of OMP (Orotidylate) Decarboxylase

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Science, Physics, Chemistry

University

Hard

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The video tutorial explains the mechanism of OMP decarboxylase, an enzyme that significantly enhances reaction rates by converting rhodolite into uridylate. The enzyme achieves this through a simple yet fascinating mechanism involving charge repulsion and proton transfer. The uncatalyzed reaction would take millions of years, but the enzyme completes it in milliseconds, demonstrating a remarkable rate enhancement.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the primary function of rhodolite decarboxylase in biochemical reactions?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the significance of the rate enhancement provided by rhodolite decarboxylase.

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the role of aspartate and lysine residues in the mechanism of OMP decarboxylase.

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What happens to the carboxyl group of rhodolite during the decarboxylation process?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

How does the proximity of the aspartate R group affect the decarboxylation of rhodolite?

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