Nickel Chelating Lipids
Nickel Chelating Lipids - Related Videos
08:40
Gyroid Nickel Nanostructures from Diblock Copolymer Supramolecules
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Cited by 3 •
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This article describes the preparation of well-ordered nickel nanofoams via electroless metal deposition onto nanoporous templates obtained from self-assembled diblock copolymer based supramolecules.
03:54
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2025
In this video, we demonstrate the nickel affinity chromatography technique to purify histidine-tagged pyrophosphokinase enzymes from Clostridium difficile bacteria.
07:57
Effect of Microwave Synthesis Conditions on the Structure of Nickel Hydroxide Nanosheets
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Cited by 1 •
2023
Nickel hydroxide nanosheets are synthesized by a microwave-assisted hydrothermal reaction. This protocol demonstrates that the reaction temperature and time used for microwave synthesis affects the reaction yield, crystal structure, and local coordination environment.
12:25
A Step-by-step Method for the Reconstitution of an ABC Transporter into Nanodisc Lipid Particles
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Cited by 22 •
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Nanodiscs are small discoid particles that incorporate membrane proteins into a small patch of phospholipid bilayer. We provide a visual protocol that shows the step-by-step incorporation of the MalFGK2 transporter into a disc.
05:36
Quantifiable and Inexpensive Cell-Free Fluorescent Method to Confirm the Ability of Novel Compounds to Chelate Iron
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Cited by 1 •
2024
We describe a fluorescent assay that can quickly and inexpensively confirm the ability of novel compounds to chelate iron. The assay measures the ability of compounds to outcompete the iron binding activity of the weak iron chelating fluorescent probe Calcein, resulting in a quantifiable increase in fluorescence when chelation occurs.
FAQs
The chelating headgroup first coordinates Ni2+, creating a metal-mediated binding site for a polyhistidine tag. The tagged protein can therefore associate with the lipid without requiring a permanent chemical attachment to the membrane. Because the interaction is reversible, researchers can study protein positioning and membrane association while retaining control over the molecular arrangement.
The two regions perform different functions. The headgroup supplies the chemical groups that coordinate nickel ions and support metal affinity interactions, whereas the lipid portion provides membrane association. This separation allows a protein-binding site to be displayed from a membrane or lipid layer, supporting organized presentation in biological model systems.
Reversible attachment allows molecules with metal-binding groups to associate with, and later disengage from, the lipid-associated nickel sites. This feature is valuable when researchers need to reorganize or remove bound biomolecules rather than lock them permanently in place. It supports controlled studies of localization, membrane interactions, and biomolecular recognition.
By anchoring metal-binding sites within a membrane or lipid layer, these lipids provide defined locations for associated proteins and other biomolecules. Their arrangement can be used to present recombinant or membrane proteins in a controlled membrane context. This helps investigators examine how molecular positioning affects interactions and recognition in model systems.
A typical workflow begins by placing the lipid in a membrane or lipid layer, followed by coordination of Ni2+ at its chelating headgroup. A molecule carrying a compatible metal-binding group, such as a polyhistidine tag, can then be associated with the membrane. The resulting assembly supports presentation, organization, or interaction assays.
They are useful when a recombinant protein needs to be presented, localized, or organized in a membrane-associated format. Metal affinity provides a route for coupling a polyhistidine-tagged protein to the lipid layer, while the membrane context enables studies that would not be represented by a freely soluble protein alone.
Nickel chelating lipids create a controllable way to associate membrane proteins or other recombinant proteins with model membranes. Researchers can use that arrangement to examine localization and membrane interactions, while the reversible metal-mediated connection preserves flexibility in experimental design. The same platform can also support biomolecular recognition assays.
These systems can provide information about where proteins localize, how they associate with membranes, and how biomolecules recognize one another in an organized lipid environment. They also support protein presentation, purification, and molecular organization. Consequently, the approach connects biochemical binding through metal affinity with broader studies of membrane-associated biology.