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The organic compound citrulline is an α-amino acid. [2] Its name is derived from citrullus, the Latin word for watermelon.Although named and described by gastroenterologists since the late 19th century, it was first isolated from watermelon in 1914 by Japanese researchers Yatarō Koga (古賀彌太郎) and Ryō Ōtake (大嶽了) [3] [4] and further codified by Mitsunori Wada of Tokyo ...
Citrulline is not one of the 20 standard amino acids encoded by DNA in the genetic code. Instead, it is the result of a post-translational modification. Citrullination is distinct from the formation of the free amino acid citrulline as part of the urea cycle or as a byproduct of enzymes of the nitric oxide synthase family.
Bahasa Indonesia; Ирон; Italiano ... Protein. 0.61 g. Vitamins and minerals. Vitamins: ... The amino acid citrulline is produced in watermelon rind. [31] [32 ...
Most of these mutations lead to an unfunctional citrin protein, meaning it cannot work to properly transport aspartate from the mitochondria to the cytosol. Aspartate plays a vital role in the urea cycle by reacting with citrulline to form argininosuccinate. Without adequate amounts of aspartate in the cytosol, this intermediate step in the ...
Homocitrulline has been suggested as a confounding antigen for rheumatoid arthritis antibodies targeting citrullinated proteins/peptides. [1] Antibodies binding to homocitrulline-containing sequences have been found in rheumatoid arthritis patients' sera [2] [3] More recently, it has been shown that homocitrulline-containing proteins are present in rheumatoid arthritis (RA) joints. [4]
Citrulline Arginine. Anti-citrullinated protein antibodies (ACPAs) are autoantibodies (antibodies to an individual's own proteins) that are directed against peptides and proteins that are citrullinated. They are present in the majority of patients with rheumatoid arthritis. Clinically, cyclic citrullinated peptides (CCP) are frequently used to ...
Citrullinated protein may refer to: Any protein having undergone citrullination; The proteins (often cyclic ones) being the targets of anti-citrullinated protein ...
In enzymology, a citrullinase (EC 3.5.1.20) is an enzyme that catalyzes the chemical reaction. L-citrulline + H 2 O L-ornithine + CO 2 + NH 3. Thus, the two substrates of this enzyme are L-citrulline and H 2 O, whereas its 3 products are L-ornithine, CO 2, and NH 3.