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Cysteine (symbol Cys or C; [5] / ˈ s ɪ s t ɪ iː n /) [6] is a semiessential [7] proteinogenic amino acid with the formula HOOC−CH(−NH 2)−CH 2 −SH. The thiol side chain in cysteine enables the formation of disulfide bonds, and often participates in enzymatic reactions as a nucleophile. Cysteine is chiral, but both D and L-cysteine ...
Cystine is the oxidized derivative of the amino acid cysteine and has the formula (SCH 2 CH(NH 2)CO 2 H) 2.It is a white solid that is poorly soluble in water. As a residue in proteins, cystine serves two functions: a site of redox reactions and a mechanical linkage that allows proteins to retain their three-dimensional structure.
The complete data for Cysteine. General information. Chemical formula: C 3 H 7 N O 2 S ...
N-acetyl-L-cysteine is soluble in water and alcohol, and practically insoluble in chloroform and ether. [ 61 ] Acetylcysteine is highly soluble in water: it dissolves readily in water, forming a clear solution.
The tables below provides information on the variation of solubility of different substances (mostly inorganic compounds) in water with temperature, at one atmosphere pressure. Units of solubility are given in grams of substance per 100 millilitres of water (g/(100 mL)), unless shown otherwise. The substances are listed in alphabetical order.
The water-soluble proteins tend to have their hydrophobic ... 2-Aminothiazoline-4-carboxylic acid is an intermediate in one industrial synthesis of L-cysteine for ...
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Solubility in water. soluble log P-2.56 [1] Acidity (pK a) ... It is a homologue of the amino acid cysteine, ... The adenosine is then hydrolyzed to yield L-homocysteine.