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 14, Problem 20P
Interpretation Introduction

Interpretation:

A potential drawback of drugs that are ATP-competitive inhibitor should be determined.

Concept introduction:

A competitive inhibitor resembles the substrate that binds at the active site of the enzyme. Competitive inhibitors are mainly used in making drugs. For instance, during chemotherapy, a drug, named methotrexate is used which acts as a competitive inhibitor. Moreover, if the concentration of the substrate is increased, then the effect of a competitive inhibitor can be reduced.

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1G. Please help me in detail. For Molecular Mechanism of ATP versus GTP selectivity of adenylate kinase, Write an expression for the reaction velocity.
Inducers and Inhibitors of AEP. Short peptides such as legumain stabilization and activity modulation (LSAM) domain and αvβ3 integrin could enhance the activity of AEP. LSAM domain known as the prodomain of AEP blocks substrate binding before activation. This prodomain has a helical structure and two independent peptides. One is an activation peptide (AP, K287 to N323), and the other is a LSAM domain. LSAM domain remains even after AP is cleaved and released from protease at neutral pH via electrostatic interaction. AEP without LSAM domain has a lower melting temperature than AEP with LSAM domain [77, 117]. Another short peptide, αvβ3 integrin, can directly interact with AEP, and after forming a complex, the optimal pH for AEP activity is increased from 5.5 to 6.0. It indicates that αvβ3 binding could induce conformational stabilization of AEP accompanied by deprotonated C189. αvβ3 does not directly interact with the AEP active site; however, AEP docks to the αvβ3 RGD-binding site…
1H. please help me in detail. For molecular Mechanism of ATP versus GTP selectivity of adenylate kinase
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