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2. Histidine - Wikipedia

   en.wikipedia.org/wiki/Histidine

   Histidine (symbol His or H) [2] is an essential 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), a carboxylic acid group (which is in the deprotonated –COO − form under biological conditions), and an imidazole side chain (which is partially protonated), classifying it as a ...

3. Histidine (data page) - Wikipedia

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

   ^a EINECS number 206-513-8 (L-histidine) ^a CID 71083 from PubChem (D-histidine) ^a CID 6274 from PubChem (L-histidine) This page was last edited on 12 April 2023 ...

4. Carnosine - Wikipedia

   en.wikipedia.org/wiki/Carnosine

   Carnosine (beta-alanyl-L-histidine) is a dipeptide molecule, made up of the amino acids beta-alanine and histidine. It is highly concentrated in muscle and brain tissues. [citation needed] Carnosine was discovered by Russian chemist Vladimir Gulevich. [1] Carnosine is naturally produced by the body in the liver [2] from beta-alanine and histidine.

5. Proteinogenic amino acid - Wikipedia

   en.wikipedia.org/wiki/Proteinogenic_amino_acid

   The essential amino acids are histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine (i.e. H, I, L, K, M, F, T, W, V). [3] The proteinogenic amino acids have been found to be related to the set of amino acids that can be recognized by ribozyme autoaminoacylation systems. [4]

6. Protein pKa calculations - Wikipedia

   en.wikipedia.org/wiki/Protein_pKa_calculations

   In computational biology, protein pK a calculations are used to estimate the pK a values of amino acids as they exist within proteins.These calculations complement the pK a values reported for amino acids in their free state, and are used frequently within the fields of molecular modeling, structural bioinformatics, and computational biology.

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8. Catalytic triad - Wikipedia

   en.wikipedia.org/wiki/Catalytic_triad

   The endothelial protease vasohibin [f] uses a cysteine as the nucleophile, but a serine to coordinate the histidine base. [43] [44] Despite the serine being a poor acid, it is still effective in orienting the histidine in the catalytic triad. [43] Some homologues alternatively have a threonine instead of serine at the acid location. [43]

9. MOST-WATCHED PRIMETIME TELECASTS OF 2024 (TOTAL VIEWERS) - AOL

   www.aol.com/100-most-watched-telecasts-2024...

   Below, our ratings roundup of the year’s most-watched telecasts (in Live+7 ratings), according to broadcast and cable measurements, in both total viewers and adults 18-49.