12/15/2023 0 Comments Maple syrup urine disease other names![]() The amino group of valine exists in a protonated form (−NH 3 +) in normal physiological/biological conditions. The amino group is attached to the alpha carbon which is numbered 2. The two terminal methyl carbons (of the branch) are numbered 4 and 4′. The α-carboxylic acid group exists in a deprotonated form (−COO –) form in normal physiological/biological conditions. It is represented by the symbol “V” and the 3-letter code “Val”.Īccording to IUPAC, the carboxyl carbon is numbered 1. The IUPAC name of valine is valine and the other names are (2S)-2-amino-3-methyl butanoic acid or 2-Aminoisovaleric acid or valic acid. Harpreet Narang of Biology Online (adapted from ) Nomenclature Figure 3: Structural representation of Valine and how the carbons are numbered sequentially. ![]() It is represented by the symbol “ V” and the 3-letter code “ Val”. It helps in the determination of the 3-D structure of proteins. It is extremely hydrophobic in nature and generally found inside globular proteins. Valine is an aliphatic, non-polar, non-aromatic, branched chain, glycogenic, essential, and alpha (α-) amino acid that is not synthesized by the human body.
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