Dimerizing Agent

A dimerizing agent is a molecule or molecular system that brings two separate proteins, protein domains, or other biological partners together to form a dimer, making it useful for controlling molecular interactions. It works by binding compatible sites on both partners or by chemically linking reactive groups, increasing their proximity and stabilizing the associated complex. In biological techniques, dimerizing agents help researchers regulate protein localization, reconstitute signaling pathways, investigate protein–protein interactions, and construct synthetic regulatory systems. Their controlled activity provides a way to connect molecular association with measurable cellular responses and to study how protein complexes influence biological function.

Dimerizing Agent - Related Videos

Research

JoVE Journal - Biology
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Visualization of ATP Synthase Dimers in Mitochondria by Electron Cryo-tomography

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Cited by 43 •

2014

We present a protocol of how to collect and process electron cryo-tomograms of whole mitochondria. The technique provides detailed insights into the structure, function, and organization of large membrane protein complexes in native biological membranes.

Research

JoVE Journal - Chemistry

Preparation and In Vitro Characterization of Dendrimer-based Contrast Agents for Magnetic Resonance Imaging

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Cited by 5 •

2016

This protocol describes the preparation and characterization of a dendrimeric magnetic resonance imaging (MRI) contrast agent that carries cyclen-based macrocyclic chelates coordinating paramagnetic gadolinium ions. In a series of MRI experiments in vitro, this agent produced an amplified MRI signal when compared to the commercially available monomeric analogue.

Education

JoVE Science Education - Chemistry

Reducing Agents

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2023

Source: Vy M. Dong and Daniel Kim, Department of Chemistry, University of California, Irvine, CA Controlling the reactivity and selectivity during the synthesis of a molecule is very important criteria for chemists. This has led to the development of many reagents that allow chemists to pick and choose reagents suitable for a given task. Quite often, a balance between reactivity and selectivity needs to be achieved. This experiment will use IR spectroscopy to monitor the reaction and to...

Isolating Free Carbenes, their Mixed Dimers and Organic Radicals

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Cited by 5 •

2019

We present protocols for the isolation of stable heterocyclic carbenes. The synthesis of a cyclic (alkyl)(amino) carbene (CAAC) and an N-heterocyclic carbene (NHC) is demonstrated using filter cannulas and Schlenk technique. We furthermore present the synthesis of the related oxygen-sensitive, electron-rich mixed “Wanzlick dimer” and the reduced stable organic radical.

Chemical Dimerization-Induced Protein Condensates on Telomeres

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Cited by 10 •

2021

This protocol illustrates a chemically induced protein dimerization system to create condensates on chromatin. The formation of promyelocytic leukemia (PML) nuclear body on telomeres with chemical dimerizers is demonstrated. Droplet growth, dissolution, localization and composition are monitored with live cell imaging, immunofluorescence (IF) and fluorescence in situ hybridization (FISH).

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