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Selenium is a component of the amino acids selenocysteine and selenomethionine. In humans, selenium is a trace element nutrient that functions as cofactor for glutathione peroxidases and certain forms of thioredoxin reductase. [1] Selenium-containing proteins are produced from inorganic selenium via the intermediacy of selenophosphate (PSeO 3 3 ...
Selenocysteine (symbol Sec or U, [ 4] in older publications also as Se-Cys) [ 5] is the 21st proteinogenic amino acid. Selenoproteins contain selenocysteine residues. Selenocysteine is an analogue of the more common cysteine with selenium in place of the sulfur . Selenocysteine is present in several enzymes (for example glutathione peroxidases ...
Nutrient. A nutrient is a substance used by an organism to survive, grow and reproduce. The requirement for dietary nutrient intake applies to animals, plants, fungi and protists. Nutrients can be incorporated into cells for metabolic purposes or excreted by cells to create non-cellular structures such as hair, scales, feathers, or exoskeletons.
RELATED: The 7 Best High-Protein Grains To Eat. 6. Soybeans. iStock. You've most likely had soybeans before but may not have known that's what you're eating. Edamame, for example, are immature ...
Peanut butter. Nuts and nut butters are both good sources of protein and healthy, filling fats. Peanuts, which are technically legumes, provide 12 grams of protein per cup. And 2 tablespoons of ...
Snails are a good source of selenium. Of the recommended daily requirement of selenium, the snail provides up to 50% (in women) and 30% (in men). [21] Snail flesh is a good supply of essential amino acids such as lysine, methionine, and cysteine, which are difficult to get in other sources of protein, according to Adeyeye et al. (2020).
Meat can be replaced by, for example, high-protein iron-rich low-emission legumes and common fungi, dietary supplements (e.g. of vitamin B 12 and zinc) and fortified foods, [153] cultured meat, microbial foods, [154] mycoprotein, [155] meat substitutes, and other alternatives, [156] such as those based on mushrooms, [157] legumes (pulses), and ...
Selenoprotein. In molecular biology a selenoprotein is any protein that includes a selenocysteine (Sec, U, Se-Cys) amino acid residue. Among functionally characterized selenoproteins are five glutathione peroxidases (GPX) and three thioredoxin reductases, (TrxR/TXNRD) which both contain only one Sec. [ 1] Selenoprotein P is the most common ...