Mutant Protein
Mutant Protein - Related Videos
08:56
Synthesis of 1,2-Azaborines and the Preparation of Their Protein Complexes with T4 Lysozyme Mutants
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2017
A protocol for the synthesis of 1,2-azaborines and the preparation of their protein complexes with T4 lysozyme mutants is presented.
09:59
Functional Reconstitution and Channel Activity Measurements of Purified Wildtype and Mutant CFTR Protein
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Cited by 7 •
2015
Described here is a rapid and effective procedure for functional reconstitution of purified wild-type and mutant CFTR protein that preserves activity for this chloride channel, which is defective in Cystic Fibrosis. Iodide efflux from reconstituted proteoliposomes mediated by CFTR allows studies of channel activity and the effects of small molecules.
09:17
Generation of Maternal Mutants Using zpc:cas9 Knock-in Zebrafish
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2025
Here, we describe a protocol for generating maternal mutant that couples a stable zpc:cas9 knock-in line with Tol2-mediated delivery of sgRNA expression cassettes.
04:38
Protein Phase Separation Assay: An Optogenetic Method for Mutant RNA-Binding Protein Phase Separation in Spinal Motor Neurons of Zebrafish Larvae
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2025
In this video, we describe a phase separation assay, wherein intracellular proteins comprising intrinsically disordered regions fused to a photosensitive oligomerization domain are induced via blue-light exposure to self-associate into membrane-less liquid-like condensates.
02:52
Expansion of Mutant Vaccinia Virus in Mammalian Cells
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2026
Source: Yuan, M., et al. A Simple and Efficient Approach to Construct Mutant Vaccinia Virus Vectors. J. Vis. Exp. (2016)This video demonstrates the expansion of plaque-derived recombinant virus in adherent mammalian cells. The virus carries a fluorescent reporter in place of a virulent gene, enabling infection tracking. Infected cells are harvested for PCR verification of the genetic modification.
FAQs
A change in amino-acid sequence can modify how a protein folds, how stable it remains, or how effectively it performs its normal activity. These molecular changes may also affect the protein’s ability to bind other molecules or reach the correct location within a neuron. Comparing these properties with the reference form helps identify the earliest consequences of a genetic variant.
Each property can influence a different stage of neuronal operation. Misfolding may compromise protein stability, altered binding can disrupt molecular interactions, and incorrect localization can prevent a protein from acting where it is needed. The resulting effects may extend to signaling, axonal transport, synaptic function, or cellular survival, linking a molecular abnormality with a broader neuronal phenotype.
Researchers can compare the mutant and reference forms across several levels, including structure, stability, activity, binding interactions, and cellular localization. They can then relate those molecular differences to changes in neuronal signaling, transport, synaptic function, or survival. This comparison clarifies which altered property is most closely associated with the observed cellular phenotype.
A study can begin by comparing the altered sequence with the reference form, followed by examination of structural, stability, or activity changes. Researchers may next assess binding interactions and localization within neurons, then connect those findings to signaling, axonal transport, synaptic function, or survival. This workflow helps connect genetic variation with molecular and cellular phenotypes.
Researchers study disease-associated protein changes by tracing how altered structure, stability, activity, binding, or localization produces neuronal effects. The resulting molecular and cellular phenotypes can reveal possible mechanisms involving signaling, axonal transport, synaptic function, or survival. Such models provide a way to connect genetic variation with the biological changes relevant to neurological disease.
Characterizing the consequences of a mutant protein can show whether a strategy should restore protein function or reduce harmful effects. Researchers can use differences in activity, interactions, localization, and neuronal outcomes to evaluate those possibilities. The findings help determine whether correcting a molecular defect or limiting its downstream effects is a more relevant therapeutic direction.