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2. Lysine - Wikipedia

   en.wikipedia.org/wiki/Lysine

   Lysine (symbol Lys or K) [2] is an α-amino acid that is a precursor to many proteins.It contains an α-amino group (which is in the protonated −NH + 3 form when dissolved in water), an α-carboxylic acid group (which is in the deprotonated −COO − form when dissolved in water), and a side chain lysyl ((CH 2) 4 NH 2), classifying it as a basic, charged (at physiological pH), aliphatic ...

3. α-Aminoadipate pathway - Wikipedia

   en.wikipedia.org/wiki/Α-aminoadipate_pathway

   The amino acid L-lysine. The α-aminoadipate pathway is a biochemical pathway for the synthesis of the amino acid L-lysine.In the eukaryotes, this pathway is unique to several species of yeast, higher fungi (containing chitin in their cell walls), and the euglenids.

4. Amino acid replacement - Wikipedia

   en.wikipedia.org/wiki/Amino_acid_replacement

   Amino acid replacement is a change from one amino acid to a different amino acid in a protein due to point mutation in the corresponding DNA sequence. It is caused by nonsynonymous missense mutation which changes the codon sequence to code other amino acid instead of the original. Notable mutations.

5. Amino acid synthesis - Wikipedia

   en.wikipedia.org/wiki/Amino_acid_synthesis

   Amino acid biosynthesis is the set of biochemical processes (metabolic pathways) by which the amino acids are produced. The substrates for these processes are various compounds in the organism 's diet or growth media. Not all organisms are able to synthesize all amino acids. For example, humans can synthesize 11 of the 20 standard amino acids.

6. Amino acid - Wikipedia

   en.wikipedia.org/wiki/Amino_acid

   Structure of a typical L-alpha-amino acid in the "neutral" form. Amino acids are organic compounds that contain both amino and carboxylic acid functional groups. [1] Although over 500 amino acids exist in nature, by far the most important are the 22 α-amino acids incorporated into proteins. [2] Only these 22 appear in the genetic code of life ...

7. Leucine - Wikipedia

   en.wikipedia.org/wiki/Leucine

   Leucine (symbol Leu or L) [3] is an essential amino acid that is used in the biosynthesis of proteins.Leucine is an α-amino acid, meaning 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 isobutyl group, making it a non ...

8. Lysin - Wikipedia

   en.wikipedia.org/wiki/Lysin

   N-acetylmuramoyl-L-alanine amidase (T7-like, EC 3.5.1.28) γ-D-glutaminyl-L-lysine endopeptidase (EC 3.4.14.13) Peptidoglycan consists of cross-linked amino acids and sugars which form alternating amino sugars: N-acetylglucosamine (NAG) and N-acetylmuramic acid (NAM). Endo-β-N-acetylglucosaminidase lysins cleave NAGs while N-acetylmuramidase ...

9. 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]