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Sentence Examples Other examples of amino acids are alanine, leucine, cysteine, arginine, and tryptophan. When cysteine mutations are performed on the participating residues, spontaneous disulfide bond formation is observed. These are the proteins cysteine, glycine, glutamic acid and the antioxidant metal selenium. Its synthesis is dependent on the supply of its constituent amino acids cysteine, glutamate, and glycine. The expression of this gene is associated with concomitant changes in cysteine protease activity of the petals. Several serpins inhibit cysteine proteinases, and a few, such as ovalbumin and angiotensinogen, are non-inhibitory. Indeed, some seed diets fed to cage birds are known to be protein deficient and specifically deficient in tyrosine, cysteine, or methionine. The integration of reduced sulphur into the amino acid cysteine is a central step in the assimilation of inorganic sulphur. Whey proteins are also rich in the sulfur-containing amino acids cysteine and methionine. Most of the sulfate substrate comes from sulfoxidation of the amino acid cysteine. The gelatinase activity was due to metalloproteinases and not cysteine or serine proteinases. Once inside a cell, cystine is rapidly reduced to cysteine that, as a precursor of GSH, undergoes GSH synthesis. Cysteamine enters the lysosomes by a specific transporter and converts cystine to cysteine and cysteine-cysteamine mixed disulfide. The sulfur-containing amino acids are methionine, cysteine, cystine, homocysteine, homocystine, and taurine. The biosynthesis of GSH depends on the linking and the availability of its constituent amino acids cysteine, glutamic acid, and glycine. The main thiol molecules involved in this process are cysteine and glutathione. Moreover, inhibition of the cysteine protease activity by chemical inhibitors suppressed the leaf senescence process. The cynide is mainly detoxicated by conversion to thiocynate, in the process of which it reacts with cysteine and cystine. This assumption is supported by studies in which cysteine was supplied to leaf discs of poplar plants. In addition, the drugs which can increase GSH content, such as cysteine prodrugs, will also reduce acetaminophen hepatotoxicity. Show More Sentences The LMWCr oligopeptide is composed of cysteine, glutamate, aspartate, and glycine. Ubp3 is a deubiquitination enzyme and a member of a large family of cysteine proteases that cleave ubiquitin moieties from protein substrates. Instead, the seed cysteine concentrations were consistently slightly lower for the transgenic seed flour than for the non-transgenic controls. Homocysteine is either metabolized to the amino acids cysteine and taurine or recycled to methionine by taking on a methyl group. The authors explain that this is an indication of an enhanced metabolic flux through cysteine to glutathione in all groups of transgenic plants. Perhaps bisulfite in the erythrocytes interacts with these cysteine residues and inhibits enzyme activity. Briefly, the washed hair was digested in an alkaline solution, complexed by cysteine, urea, and cupric ion, then acidified with sulfuric acid. The oxidation sites of alpha-crystallin are considered to be methionine, cysteine and tryptophan amino acid residues. The most prevalent amino acid is cysteine with other major ones including tyrosine, histidine, lysine and arginine. As long as the supply of methionine is adequate, cysteine is considered as nonessential. Alkalised soy products were robbed of good proteins such as threonine, serine, cysteine and iron. In the absence of cysteine, indole 5-6 quinone is formed and it is eumelanin that will be synthesised. The reduced form is a thioether and is derived from cysteine, whereas the oxidized form is a sulphate ester and is derived from the sulphonation pathway. Some other by-products from coconut, allantoin, cysteine and panthenol, besides nourishing hair, make it manageable, shiny and eliminates frizz. Also, only the liver, pancreas, kidney, and intestine exhibit full activity of the trans-sulfuration pathway that metabolizes homocysteine to cysteine and taurine. The majority of the essential element, sulphur, in living organisms is in the reduced form of organic thiols, such as the amino acids cysteine and methionine. Cysteine can be given orally to increase GSH or to chelate trace elements in the gut, thereby decreasing absorption of both cysteine and the trace element. In cystathioninuria, the enzyme cystathionine gamma-lyase, which normally catalyzes the hydrolysis of cystathionine to cysteine, is defective. Feather meal is a rich source of protein, high in leucine and cysteine but deficient in lysine, tryptophan and methionine. The raw egg is full of cysteine which helps the body break down the free radicals which build up in the liver and it's best to swallow it in a oner. Show More Sentences There are some nutritional supplements with selenium, tryptophan, cysteine and glutamine. A sulfur-containing amino acid that is derived from the amino acids methionine and cysteine. The body requires an amino acid called cysteine, which is found in whey protein, in order to make glutathione. This allows researchers to pull out the fragments with a cysteine in them by running the soups over a substance that sticks to the affinity tag. Viral and parasitic papain-like cysteine proteases are suitable targets for the treatment of infectious diseases. The morphological and biochemical changes typical of apoptosis are orchestrated by caspases, a family of cysteine proteinases, which cleave proteins after aspartate residue. Eggs, he says, are a good source of cysteine, an amino acid that helps the liver break down alcohol faster. Carbohydrates not only provide the acceptor of sulphide for cysteine biosynthesis, they are the source of reductants for sulphate reduction in non-photosynthetic tissues. It has been proposed that the photoexcited flavin molecule adds a cysteine residue of the protein backbone, thus activating autophosphorylation of the enzyme. When the cysteine substrate is bound the geometry changes to a trigonal bipyramid, in which the substrate and the glutamic acid occupy the apical positions. During primary sulphate assimilation in chloroplasts, sulphate is reduced via sulphite to the organic sulphide which is used for cysteine biosynthesis. Few proteins contain a lot of cysteine but almost all contain some. One, the reactive group, reacts with an amino acid called cysteine. On the other hand, most fragments, having no cysteine, will be eliminated. If you're taking cysteine and vitamin E daily and eating brown rice occasionally, you may be fine. Total Essential Amino Acids calculated includes histidine and arginine and excluded cysteine and tyrosine. Phosgene may be detoxified by reaction with water to produce carbon dioxide or by reaction with thiols, including glutathione and cysteine, to produce adducts. An oligomeric particle consisting of purified HCV envelope proteins and having a diameter of 5 to 100 nanometer, wherein at least one cysteine residue of said envelope protein is alkylated. Swiss roll, prepared from a mixture of flour, sugar, whole egg, baking powder, emulsifier and water, characterised in that cysteine and egg albumen are added to the mixture for preparing the roll. The metabolic sequence of methionine normally begins with its stepwise conversion to homocysteine, cystathionine, and cysteine, successively, each step being carried out by a specific organic catalyst, or enzyme. Show More Sentences Glutathione is the most abundant endogenous intracellular antioxidant synthesised from the amino acids glutamate, cysteine and glycine. Potential role of cysteine cathepsins in cancer progression and metastasis. It can use discarded plastic bottles available locally, and the application of cysteine does not require complicated technology. A number of thiols are found in nature, such as cysteine and glutathione. The researchers are also tweaking their system to tether glutamate to normal receptors without a cysteine mutation, notes Trauner. This is a molecule formed from glutamic acid, cysteine and glycocoll. Eggs are packed with cysteine, which reportedly helps relieve symptoms. In proteins, Zinc ions are often coordinated to the amino acid side chains of aspartic acid, glutamic acid, cysteine and histidine. Data demonstrated that treatment with combined corticoids plus N-acetyl cysteine showed an increase in survival rates. After cooling on ice, the samples were incubated with 30 mM iodoacetamide for 1 h in the dark to carbamidomethylate the cysteine residues. The yeast morphotype but not the mold, for example, has a cysteine dioxygenase activity and is a cysteine auxotroph. Cathepsin L, a lysosomal endopeptidase, is a member of the papain-like family of cysteine proteinases. The calpains are a family of calcium-activated, neutral cysteine proteases. Efforts are underway to verify the location of the second site by site-directed mutagenesis and the substituted cysteine accessibility method. In eager expectation of the panacea, we'll just have to muddle along with the traditional cures: water before bedtime, a bit of sugar, food packed with cysteine. The DS30 HPLC system is programmed such that peak recognition of tHcy and the IS depends on a minimum concentration of cysteine and cysteinyl-glycine. Erk activation is required for Nrf2 nuclear localization during pyrrolidine dithiocarbamate induction of glutamate cysteine ligase modulatory gene expression in HepG2 cells. In some tissues the trans sulfuration pathway diverts homocysteine from the cycle and provides a means for the synthesis of cysteine and its derivatives. Glutathione is a tripeptide made of cysteine, glutamic acid, and glycine. Trypanothione reductases catalyse the transfer of electrons from the cofactor of NAPDH to trypanothione substrate by the action of FAD and cysteine disulfides. Show More Sentences The facile reaction of DBNPA with sulfur-containing nucleophiles common to microorganisms, such as glutathione or cysteine, is the basis of its mode of antimicrobial action. Another form of melanin is pheomelanin, a cysteine containing red-brown polymer of benzothiazine units largely responsible for red hair and freckles. The simplest of such compounds is rubredoxin, which has only one iron atom coordinated to four sulfur atoms from cysteine residues in the surrounding peptide chains. The Cathepsin V program forms part of Axys' focus on oncology and makes use of Axys' expertise in working with the papain family of cysteine proteases. The assays used antisera raised in rabbits against human BNP and BNP conjugated, respectively, to ovalbumin and bovine serum albumin through their cysteine residues. Walter explained how the nanoparticles bind to sulfur inside the cysteine amino acids of the hair, then form a so-called surface plasmon when excited by the dark light. Find more words! 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Words that rhyme with cysteine What is the plural of cysteine? What is the adjective for cysteine? What is the noun for cysteine? Use our Sentence Generator Nearby Words cystectomy cyst Cyrus Cyrillic alphabet Cyrillic Cyril cystic cysticerci cysticercoid cysticercosis cysticercus cystic fibrosis 8-letter Words Starting With c cy cys cyst cyste cystei cystein