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  2. Denaturation (biochemistry) - Wikipedia

    en.wikipedia.org/wiki/Denaturation_(biochemistry)

    In biochemistry, denaturation is a process in which proteins or nucleic acids lose folded structure present in their native state due to various factors, including application of some external stress or compound, such as a strong acid or base, a concentrated inorganic salt, an organic solvent (e.g., alcohol or chloroform), agitation and radiation, or heat. [3]

  3. Anfinsen's dogma - Wikipedia

    en.wikipedia.org/wiki/Anfinsen's_dogma

    Folded, 3-D structure of ribonuclease A. Anfinsen's dogma, also known as the thermodynamic hypothesis, is a postulate in molecular biology.It states that, at least for a small globular protein in its standard physiological environment, the native structure is determined only by the protein's amino acid sequence. [1]

  4. Protein folding - Wikipedia

    en.wikipedia.org/wiki/Protein_folding

    Once the protein's tertiary structure is formed and stabilized by the hydrophobic interactions, there may also be covalent bonding in the form of disulfide bridges formed between two cysteine residues. These non-covalent and covalent contacts take a specific topological arrangement in a native structure of a protein. Tertiary structure of a ...

  5. Heat shock response - Wikipedia

    en.wikipedia.org/wiki/Heat_shock_response

    Heat shock proteins induced by the HSR can help prevent protein aggregation that is associated with common neurodegenerative diseases such as Alzheimer's, Huntington's, or Parkinson's disease. [8] The diagram depicts actions taken when a stress is introduced to the cell. Stress will induce HSF-1 and cause proteins to misfold.

  6. Equilibrium unfolding - Wikipedia

    en.wikipedia.org/wiki/Equilibrium_unfolding

    Using the above principles, equations that relate a global protein signal, corresponding to the folding states in equilibrium, and the variable value of a denaturing agent, either temperature or a chemical molecule, have been derived for homomeric and heteromeric proteins, from monomers to trimers and potentially tetramers.

  7. Protein crystallization - Wikipedia

    en.wikipedia.org/wiki/Protein_crystallization

    Developing protein crystals is a difficult process influenced by many factors, including pH, temperature, ionic strength in the crystallization solution, and even gravity. [3] Once formed, these crystals can be used in structural biology to study the molecular structure of the protein, particularly for various industrial or medical purposes. [4 ...

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  9. Thermal shift assay - Wikipedia

    en.wikipedia.org/wiki/Thermal_Shift_Assay

    The system does not require solvatochromic dyes, reducing the risk of interferences. The protein samples are simply mixed with the test conditions in a 96-well plate and subjected to a melt-curve protocol using a real-time thermal cycler. The data are obtained within 1–2 h and include unique quality control measures through the GFP signal.