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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 ...
Penicillamine is a trifunctional organic compound, consisting of a thiol, an amine, and a carboxylic acid. It is an amino acid structurally similar to cysteine, but with geminal dimethyl substituents α to the thiol. Like most amino acids, it is a colorless solid that exists in the zwitterionic form at physiological pH.
Purified chymopapain is the main component of the injection, composed basically of 20 mg in five millilitres. It is provided in vials containing 10.000 units of the lyophilized agent with 0.37 mg of disodium edetate, [26] 3.5 mg of cysteine hydrochloride monohydrate and 1.0 mg of bisulfide. All of them work as stabilisers and activators.
Examples of dough conditioners include ascorbic acid, distilled monoglycerides, citrate ester of monoglycerides, diglycerides, ammonium chloride, enzymes, [2] diacetyl tartaric acid ester of monoglycerides or DATEM, potassium bromate, calcium salts such as calcium iodate, L-cystine, [3] L-cysteine HCl, [4] glycerol monostearate, azodicarbonamide, [5] [6] sodium stearoyl lactylate, sucrose ...
Cysteamine is an organosulfur compound with the formula HSCH 2 CH 2 NH 2.A white, water-soluble solid, it contains both an amine and a thiol functional groups. It is often used as salts of the ammonium derivative [HSCH 2 CH 2 NH 3] + [12] including the hydrochloride, phosphocysteamine, and the bitartrate. [13]
A Canadian woman was arrested after trying to smuggle over 20 pounds of methamphetamine through a New Zealand airport, authorities said. The illicit drugs were disguised as Christmas presents, New ...
The NFL will not fine or suspend Cleveland Browns quarterback Deshaun Watson again for the most recent sexual assault allegations against him. "The matter is closed," a league spokesman told the ...
Papain-like proteases share a common catalytic dyad active site featuring a cysteine amino acid residue that acts as a nucleophile. [1] The human genome encodes eleven cysteine cathepsins which have a broad range of physiological functions. [3] In some parasites papain-like proteases have roles in host invasion, such as cruzipain from ...