Nickel-nta Purification
Nickel-nta Purification - Related Videos
03:54
Nickel Affinity Chromatography-Based Protein Purification: A Technique to Purify Polyhistidine-Tagged Recombinant Proteins from Bacterial Cell Lysate
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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.
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.
11:07
Purification of the M. magneticum Strain AMB-1 Magnetosome Associated Protein MamAΔ41
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Cited by 6 •
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MamA is a unique Magnetosome associated protein which was shown to be involved in magnetosome activation. Here we present the purification protocol of MamA deletion mutant (MamAΔ41) from M. magneticum AMB-1.
07:08
Efficient Mammalian Cell Expression and Single-step Purification of Extracellular Glycoproteins for Crystallization
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Cited by 5 •
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This is a quick, cost-efficient protocol for the production of secreted, glycosylated mammalian proteins and subsequent single-step purification with sufficient yields of homogenous protein for X-ray crystallography and other biophysical studies.
12:28
Protein Purification Technique that Allows Detection of Sumoylation and Ubiquitination of Budding Yeast Kinetochore Proteins Ndc10 and Ndc80
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Cited by 11 •
2015
This manuscript describes the detection of sumoylation and ubiquitination of kinetochore proteins, Ndc10 and Ndc80, in the budding yeast Saccharomyces cerevisiae.
FAQs
pH helps determine whether histidine residues can coordinate effectively with nickel ions on the NTA resin. Near-neutral conditions support binding of the polyhistidine-tagged recombinant protein, whereas poorly controlled pH can weaken capture or increase unwanted proteins in the purified material. Maintaining suitable pH therefore improves recovery and contributes to cleaner samples for cancer research.
Imidazole competes with histidine residues for available nickel-binding sites on the NTA resin. Increasing imidazole during the elution stage disrupts the interaction that retained the polyhistidine-tagged protein, allowing it to leave the resin. This competition-based release separates the target protein from material removed earlier during washing and produces an eluate for downstream studies.
Sample conditions affect both how efficiently the tagged protein binds and how many contaminating proteins remain. The source material specifically emphasizes controlling pH, imidazole concentration, and overall sample conditions. Appropriate control supports interaction between the histidine tag and immobilized nickel while helping limit nonspecific retention, which is important when purified proteins will be used in biochemical assays.
A typical workflow applies the recombinant protein sample to nickel-NTA resin under near-neutral conditions, allowing the polyhistidine-tagged target to coordinate with immobilized nickel ions. Unbound proteins are removed during washing, and imidazole is then introduced to compete for binding sites and release the target. The resulting purified material can proceed to cancer-related protein studies or biochemical assays.
Washing removes proteins that did not bind to the nickel-NTA resin, helping reduce unwanted material before collection of the target. Elution has a different purpose: imidazole competes for nickel-binding sites and releases the retained polyhistidine-tagged protein. Keeping these stages distinct improves separation between unbound contaminants and the recombinant protein selected for analysis.
Cancer researchers can use the purified recombinant proteins to investigate oncogenic proteins and signaling pathways, examine protein structure, develop antibodies, or perform biochemical assays. The method is especially useful when a study requires an isolated protein rather than a complex mixture, because purification provides material suitable for examining protein behavior and cancer-relevant molecular interactions.
Purified material generated through this approach can support several experimental objectives, including structural studies, antibody development, and biochemical testing. In cancer research, it may also provide protein reagents for examining oncogenic factors and signaling pathways. The value of the preparation depends on controlling purification conditions so the recovered recombinant protein is sufficiently separated from contaminating proteins for its intended use.