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Alanine is the simplest α-amino acid after glycine. The methyl side-chain of alanine is non-reactive and is therefore hardly ever directly involved in protein function. [12] Alanine is a nonessential amino acid, meaning it can be manufactured by the human body, and does not need to be obtained through the diet. Alanine is found in a wide ...
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.
There are six forms of phoratoxin known to exist. Five out of six forms are 46 amino acids long; only phoratoxin D is 41 amino acids long. The differences between these six forms are mainly centered in the random coil region of the protein (residue 36-44/41). In phoratoxin F, Phe-18 and Gly-19 are mutated into a leucine and an alanine.
The Cahill cycle, also known as the alanine cycle or glucose-alanine cycle, [1] is the series of reactions in which amino groups and carbons from muscle are transported to the liver. [2] It is quite similar to the Cori cycle in the cycling of nutrients between skeletal muscle and the liver. [ 1 ]
[citation needed] During cell culture, L-alanyl-L-glutamine is broken down into L-glutamine which is an essential nutrient for the cells. Because the chemical compound L-alanyl-L-glutamine is broken down a little at a time, the cells have time to use the L-glutamine that is formed before it is broken down into ammonia and pyrrolidine carboxylic ...
β-Methylamino-L-alanine, or BMAA, is a non-proteinogenic amino acid produced by cyanobacteria. BMAA is a neurotoxin . Its potential role in various neurodegenerative disorders is the subject of scientific research.
Alanine dehydrogenase (EC 1.4.1.1) is an enzyme that catalyzes the chemical reaction. L-alanine + H 2 O + NAD + pyruvate + NH 3 + NADH + H +. The 2 substrates of this enzyme are L-alanine, water, and nicotinamide adenine dinucleotide + because water is 55M and does not change, whereas its 4 products are pyruvate, ammonia, NADH, and hydrogen ion.
Cysteic acid also known as 3-sulfo-l-alanine is the organic compound with the formula HO 3 SCH 2 CH(NH 2)CO 2 H. It is often referred to as cysteate, which near neutral pH takes the form − O 3 SCH 2 CH(NH 3 +)CO 2 −. It is an amino acid generated by oxidation of cysteine, whereby a thiol group is fully oxidized to a sulfonic acid/sulfonate ...
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