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Related Concept Videos

Enzyme Inhibition01:30

Enzyme Inhibition

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Inhibitors are molecules that reduce enzyme activity by binding to the enzyme. In a normally functioning cell, enzymes are regulated by a variety of inhibitors. Drugs and other toxins can also inhibit enzymes. Some inhibitors bind to the enzyme’s active site, while others inhibit enzymatic activity by binding to other sites on the protein structure.
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Enzymes02:34

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Enzyme-linked receptors are proteins that act as both receptor and enzyme, activating multiple intracellular signals. This is a large group of receptors that include the receptor tyrosine kinase (RTK) family. Many growth factors and hormones bind to and activate the RTKs.
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Induced-fit Model01:13

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Catalytically Perfect Enzymes01:07

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The theory of catalytically perfect enzymes was first proposed by W.J. Albery and J. R. Knowles in 1976. These enzymes catalyze biochemical reactions at high-speed. Their catalytic efficiency values range from 108-109 M-1s-1. These enzymes are also called 'diffusion-controlled' as the only rate-limiting step in the catalysis is that of the substrate diffusion into the active site. Examples include triose phosphate isomerase, fumarase, and superoxide dismutase.
 
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Related Experiment Video

Updated: Jul 17, 2025

Biosensor-based High Throughput Biopanning and Bioinformatics Analysis Strategy for the Global Validation of Drug-protein Interactions
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Multivalency-enhanced enzyme inhibitors with biomolecule-responsive activity.

Fan Ding1, Xinrui Li1, Xu Chen1

  • 1Institute for Advanced Materials, School of Materials Science and Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang, Jiangsu, 212013 China. panguoqing@ujs.edu.cn.

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Summary
This summary is machine-generated.

Researchers developed a novel polymeric inhibitor that responds to adenosine triphosphate (ATP). This ATP-responsive trypsin inhibitor shows promise for targeted cancer therapy by inhibiting cancer cells.

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Area of Science:

  • Polymer Chemistry
  • Biochemistry
  • Drug Discovery

Background:

  • Adenosine triphosphate (ATP) plays crucial roles in cellular processes.
  • Trypsin is a key enzyme implicated in various physiological and pathological conditions, including cancer.
  • Developing targeted inhibitors for enzymes like trypsin is essential for therapeutic interventions.

Purpose of the Study:

  • To design and synthesize a novel polymeric inhibitor responsive to adenosine triphosphate (ATP).
  • To investigate the synergistic binding mechanism of the polymer with ATP's phosphate and ribose groups.
  • To evaluate the potential of the ATP-responsive inhibitor as a therapeutic agent for cancer-targeting cell inhibition.

Main Methods:

  • Rational design and synthesis of a polymeric inhibitor incorporating benzamidine and phenylboronic acid monomers.
  • Characterization of the polymer's binding affinity and interaction with adenosine triphosphate (ATP).
  • Assessment of the inhibitor's effect on trypsin activity in the context of cancer cell inhibition.

Main Results:

  • Successful synthesis of a polymeric inhibitor with optimized benzamidine and phenylboronic acid components.
  • Demonstration of synergistic binding between the polymer and adenosine triphosphate (ATP), targeting its phosphate and ribose moieties.
  • Evidence of ATP-responsive trypsin inhibition by the developed polymer.

Conclusions:

  • A novel polymeric adenosine triphosphate (ATP)-responsive trypsin inhibitor has been successfully developed.
  • The inhibitor's design enables specific interaction with ATP, leading to controlled enzyme inhibition.
  • This ATP-responsive trypsin inhibitor holds significant potential for developing targeted cancer therapeutics.