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  2. Protein folding - Wikipedia

    en.wikipedia.org/wiki/Protein_folding

    Protein before and after folding Results of protein folding. Protein folding is the physical process by which a protein, after synthesis by a ribosome as a linear chain of amino acids, changes from an unstable random coil into a more ordered three-dimensional structure. This structure permits the protein to become biologically functional. [1]

  3. Protein phosphorylation - Wikipedia

    en.wikipedia.org/wiki/Protein_phosphorylation

    However, in another signaling pathway, protein D phosphorylates A, or phosphorylates protein C. Global approaches such as phosphoproteomics, the study of phosphorylated proteins, which is a sub-branch of proteomics, combined with mass spectrometry-based proteomics, have been utilised to identify and quantify dynamic changes in phosphorylated ...

  4. Protein - Wikipedia

    en.wikipedia.org/wiki/Protein

    The words protein, polypeptide, and peptide are a little ambiguous and can overlap in meaning. Protein is generally used to refer to the complete biological molecule in a stable conformation, whereas peptide is generally reserved for a short amino acid oligomers often lacking a stable 3D structure. But the boundary between the two is not well ...

  5. Post-translational modification - Wikipedia

    en.wikipedia.org/wiki/Post-translational...

    [2] Many eukaryotic and prokaryotic proteins also have carbohydrate molecules attached to them in a process called glycosylation, which can promote protein folding and improve stability as well as serving regulatory functions. Attachment of lipid molecules, known as lipidation, often targets a protein or part of a protein attached to the cell ...

  6. Protein metabolism - Wikipedia

    en.wikipedia.org/wiki/Protein_metabolism

    Cellular proteins are held in a relatively constant pH in order to prevent changes in the protonation state of amino acids. [24] If the pH drops, some amino acids in the polypeptide chain can become protonated if the pka of their R groups is higher than the new pH. Protonation can change the charge these R groups have.

  7. Your protein needs change as you get older. Here’s how much ...

    www.aol.com/finance/protein-needs-change-older...

    While it’s important to make sure you’re hitting your protein needs at every stage of life, dietitians think the obsession with high protein has gone too far—especially on social media.

  8. Conformational change - Wikipedia

    en.wikipedia.org/wiki/Conformational_change

    In biochemistry, a conformational change is a change in the shape of a macromolecule, often induced by environmental factors. A macromolecule is usually flexible and dynamic. Its shape can change in response to changes in its environment or other factors; each possible shape is called a conformation, and a transition between them is called a ...

  9. Here's Exactly How Much Protein You Need - AOL

    www.aol.com/heres-exactly-much-protein-175200230...

    Studies have shown that a protein intake of 1.2 to 2.0 grams of protein per kilogram of body weight is best for adults over 65—a far cry from the 0.8 grams per kilogram that is outlined in the ...