Related Experiment Video

Updated: Feb 12, 2026

Identification of Mediators of T-cell Receptor Signaling via the Screening of Chemical Inhibitor Libraries
08:49

Identification of Mediators of T-cell Receptor Signaling via the Screening of Chemical Inhibitor Libraries

Published on: January 22, 2019

9.6K

Identification of Non-Zinc Binding Inhibitors of MMP-2 Through Virtual Screening and Subsequent Rescoring

Jamal Shamsara1

  • 1Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.

Drug Research
|April 4, 2018
PubMed

Insights

Researchers identified novel non-zinc-binding inhibitors for matrix metalloproteinase-2 (MMP-2), a key enzyme in cancer progression. This computer-aided drug design approach offers new scaffolds for developing selective MMP-2 inhibitors to combat metastasis and angiogenesis.

Area of Science:

  • Biochemistry
  • Molecular Biology
  • Pharmacology

Background:

  • Matrix metalloproteinase-2 (MMP-2) is a protease that degrades type IV collagen, a critical component of basement membranes.
  • Overexpression of MMP-2 is implicated in cancer progression, promoting metastasis and angiogenesis.
  • Developing selective MMP-2 inhibitors is crucial for cancer therapy.

Purpose of the Study:

  • To discover novel, selective inhibitors of MMP-2 using structure-based virtual screening.
  • To identify potential drug candidates with new chemical scaffolds for MMP-2 inhibition.
  • To explore computer-aided drug design strategies for targeting MMP-2.

Main Methods:

  • Structure-based virtual screening of compounds against MMP-2.
  • Enzyme inhibition assays to validate inhibitory activities.
  • Molecular docking and molecular dynamics simulations to analyze inhibitor-target interactions.

Main Results:

  • Three compounds exhibited inhibitory activity against MMP-2, with 5 identified as non-zinc-binding inhibitors.
  • Novel inhibitor scaffolds were discovered, showing potential for selectivity.
  • Compound 13 demonstrated specific interactions within the MMP-2 active site, including pi-pi interactions and a hydrogen bond.

Conclusions:

  • Computer-aided drug design is effective for discovering new MMP-2 inhibitors.
  • The identified non-zinc-binding inhibitors offer new scaffolds for lead optimization.
  • Compound 13's interaction mode provides insights for designing future selective MMP-2 inhibitors.

More Related Videos

A High Content Imaging Assay for Identification of Botulinum Neurotoxin Inhibitors14:10

A High Content Imaging Assay for Identification of Botulinum Neurotoxin Inhibitors

Published on: November 14, 2014

9.0K
Holistic Facial Composite Creation and Subsequent Video Line-up Eyewitness Identification Paradigm09:49

Holistic Facial Composite Creation and Subsequent Video Line-up Eyewitness Identification Paradigm

Published on: December 24, 2015

14.6K

Related Concept Videos

Eukaryotic Transcription Inhibitors01:52

Eukaryotic Transcription Inhibitors

Certain biochemical processes, such as embryonic development and cell growth regulation, depend on the repression of specific genes. DNA binding proteins known as eukaryotic transcription inhibitors regulate the repression of gene expression in eukaryotes. The presence of these inhibitors at the required location and time in the cell is triggered by the presence of hormones and additional signals from other cells.
Eukaryotic transcription inhibitors usually contain two distinct domains, a...
11.1K
Conserved Binding Sites01:49

Conserved Binding Sites

Many proteins’ biological role depends on their interactions with their ligands, small molecules that bind to specific locations on the protein known as ligand-binding sites. Ligand-binding sites are often conserved among homologous proteins as these sites are critical for protein function.
Binding sites are often located in large pockets, and if their location on a protein’s surface is unknown, it can be predicted using various approaches. The energetic method computationally...
5.2K
Virtual Work01:20

Virtual Work

The principle of virtual work states that if a body is in static and dynamic equilibrium, then the sum of all the virtual work done by all external forces and couple moments for any given virtual displacement must be zero.
In static equilibrium, a body can experience an imaginary or virtual movement, such as displacement or rotation. The virtual work done by a force is equal to the dot product of force and virtual displacement in the direction of the force. When it comes to virtually rotating a...
1.4K
The Equilibrium Binding Constant and Binding Strength02:18

The Equilibrium Binding Constant and Binding Strength

The equilibrium binding constant (Kb) quantifies the strength of a protein-ligand interaction. Kb can be calculated as follows when the reaction is at equilibrium:
15.2K
The Equilibrium Binding Constant and Binding Strength02:18

The Equilibrium Binding Constant and Binding Strength

10.1K
Ligand Binding Sites02:40

Ligand Binding Sites

Proteins are dynamic macromolecules that carry out a wide variety of essential processes; however, the activities of most proteins depend on their interactions with other molecules or ions, known as ligands.
Protein-ligand interactions are quite specific; even though numerous potential ligands surround a cellular protein at any given time, only a particular ligand can bind to that protein. Moreover, a ligand binds only to a dedicated area on the surface of the protein, known as the...
15.2K