Biochemistry
Biochemistry
9th Edition
ISBN: 9781319114671
Author: Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher: W. H. Freeman
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Chapter 10, Problem 1P
Interpretation Introduction

Interpretation: The function of aspartate transcarbamoylase is to be stated.

Concept introduction: Enzymes being the catalysts increase the rate of reaction. In an enzyme-catalyzed reaction, the rate of reaction for the product formation depends on the concentration of enzyme as well as the substrate involved in the reaction via formation of an enzyme substrate complex.

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Answer to Problem 1P

The function of aspartate transcarbamoylase is to convert aspartate and carbamoyl phosphate into the compound, N-carbamoylaspartate and inorganic phosphate.

Explanation of Solution

The enzyme, aspartate transcarbamoylase contains two polypeptides which are having different roles. The first polypeptide chain works as a catalytic subunit that helps in carrying the amino acid carbamylation. The second polypeptide chain works as a regulatory subunit. This second polypeptide possesses regulatory sites.

Thus, the enzyme, aspartate transcarbamoylase helps in the condensation of aspartate and carbamoyl phosphate into the compound, N-carbamoylaspartateand also into the inorganic phosphate.

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