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  2. Valine - Wikipedia

    en.wikipedia.org/wiki/Valine

    Valine (symbol Val or V) [4] is an α-amino acid that is used in the biosynthesis of proteins. It contains an α-amino group (which is in the protonated −NH 3 + form under biological conditions), an α-carboxylic acid group (which is in the deprotonated −COO − form under biological conditions), and a side chain isopropyl group, making it a non-polar aliphatic amino acid.

  3. Proteinogenic amino acid - Wikipedia

    en.wikipedia.org/wiki/Proteinogenic_amino_acid

    These are the biggest amino acids. Like isoleucine, leucine, and valine, these are hydrophobic and tend to orient towards the interior of the folded protein molecule. Phenylalanine can be converted into tyrosine. Glycine: G Gly Because of the two hydrogen atoms at the α carbon, glycine is not optically active. It is the smallest amino acid ...

  4. Valine—tRNA ligase - Wikipedia

    en.wikipedia.org/wiki/Valine—tRNA_ligase

    The 3 substrates of this enzyme are ATP, L-valine, and tRNA(Val), whereas its 3 products are AMP, diphosphate, and L-valyl-tRNA(Val). This enzyme belongs to the family of ligases, to be specific those forming carbon-oxygen bonds in aminoacyl-tRNA and related compounds. The systematic name of this enzyme class is L-valine:tRNAVal ligase (AMP ...

  5. Essential amino acid - Wikipedia

    en.wikipedia.org/wiki/Essential_amino_acid

    Through manipulation of rodent diets, Rose was able to show that ten amino acids are essential for rats: lysine, tryptophan, histidine, phenylalanine, leucine, isoleucine, methionine, valine, and arginine, in addition to threonine. Rose's later work showed that eight amino acids are essential for adult human beings, with histidine also being ...

  6. Valine (data page) - Wikipedia

    en.wikipedia.org/wiki/Valine_(data_page)

    ^a EINECS for Valine ^a CID 71563 from PubChem ^a CID 1182 from PubChem This page was last edited on 11 April 2023, at 15:02 (UTC). Text is available ...

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    "Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." There are about as many performance supplements on the market as there are protein-packed foods in a ...

  8. Protein pKa calculations - Wikipedia

    en.wikipedia.org/wiki/Protein_pKa_calculations

    The pH-dependence of the activity displayed by enzymes and the pH-dependence of protein stability, for example, are properties that are determined by the pK a values of amino acid side chains. The p K a values of an amino acid side chain in solution is typically inferred from the p K a values of model compounds (compounds that are similar to ...

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