Detergent Reconstitution
Detergent Reconstitution - Related Videos
07:05
Reconstitution of Membrane Proteins
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2023
Reconstitution is the process of returning an isolated biomolecule to its original form or function. This is particularly useful for studying membrane proteins, which enable important cellular functions and affect the behavior of nearby lipids. To study the function of purified membrane proteins in situ, they must be reconstituted by integrating them into an artificial lipid membrane. This video introduces membrane protein reconstitution concepts and related procedures, such as protein...
08:43
Detergent-assisted Reconstitution of Recombinant Drosophila Atlastin into Liposomes for Lipid-mixing Assays
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Cited by 2 •
2019
Biological membrane fusion is catalyzed by specialized fusion proteins. Measuring the fusogenic properties of proteins can be achieved by lipid mixing assays. We present a method for purifying recombinant Drosophila atlastin, a protein that mediates homotypic fusion of the ER, reconstituting it to preformed liposomes, and testing for fusion capacity.
11:10
Detergent-free Ultrafast Reconstitution of Membrane Proteins into Lipid Bilayers Using Fusogenic Complementary-charged Proteoliposomes.
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Cited by 6 •
2018
Here we present two ultrafast protocols for reconstitution of membrane proteins into fusogenic proteoliposomes, and fusion of such proteoliposomes with target lipid bilayers for detergent-free delivery of these membrane proteins into the postfusion bilayer. The combination of these approaches enables fast and easily controlled assembly of complex multi-component membrane systems.
10:22
Reconstitution of a Kv Channel into Lipid Membranes for Structural and Functional Studies
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Cited by 11 •
2013
Procedures for complete reconstitution of a prototype voltage-gated potassium channel into lipid membranes are described. The reconstituted channels are suitable for biochemical assays, electrical recordings, ligand screening and electron crystallographic studies. These methods may have general applications to the structural and functional studies of other membrane proteins.
09:25
In vitro Reconstitution of the Active T. castaneum Telomerase
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Cited by 5 •
2011
Efforts to isolate the catalytic subunit of telomerase, TERT, in sufficient quantities for structural studies, have been met with limited success for more than a decade. Here, we present methods for the isolation of the recombinant Tribolium castaneum TERT (TcTERT) and the reconstitution of the active T. castaneum telomerase ribonucleoprotein (RNP) complex in vitro.
FAQs
Detergent reconstitution depends on matching the solvent and conditions to the formulation. Solvent composition influences whether concentrated or dried material disperses, while temperature and pH affect the resulting preparation. Agitation supplies the mixing needed to distribute surfactant molecules throughout the solvent. Controlling these variables helps produce a homogeneous solution and reduces the risk of precipitation or excessive foaming.
Micelle formation begins when detergent concentration exceeds its critical micelle concentration, the threshold above which surfactant molecules assemble into micelles. This organization reflects their amphiphilic structure: water-attracting regions interact with the solvent, while water-repelling regions associate away from it. Reconstitution therefore establishes the detergent strength needed for predictable cleaning, extraction, or emulsification.
Agitation helps disperse surfactant molecules through the solvent instead of leaving concentrated or dried regions unevenly distributed. More uniform dispersion supports a consistent detergent strength throughout the preparation. That consistency matters when the same formulation must perform similarly across cleaning, extraction, emulsification, or laboratory sample-preparation steps.
Place the concentrated, dried, or separated formulation in an appropriate solvent, apply agitation to disperse it, and maintain controlled temperature, solvent composition, and pH. The preparation should be assessed for homogeneity before use. This workflow limits variation in detergent strength and helps preserve the intended performance of the formulation.
A reproducible preparation can provide a consistent chemical environment for cleaning, extraction, emulsification, or laboratory sample preparation. These uses depend on the detergent being sufficiently dispersed and present at a controlled strength. Reconstitution is therefore a preparation step that supports comparable handling and experimental results rather than merely restoring a convenient liquid form.
Poorly controlled temperature, solvent composition, pH, or agitation can leave the preparation nonuniform and may promote precipitation or excessive foaming. Such changes can alter the effective detergent strength available during an experiment. Monitoring these conditions helps maintain a homogeneous preparation and supports more consistent outcomes in downstream chemical procedures.