Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Chemical compound
Cystine is the oxidized derivative of the amino acid cysteine and has the formula (SCH2CH(NH2)CO2H)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.[1]
^Nelson, D. L.; Cox, M. M. (2000) Lehninger, Principles of Biochemistry. 3rd Ed. Worth Publishing: New York. ISBN 1-57259-153-6.
Cystine is the oxidized derivative of the amino acid cysteine and has the formula (SCH2CH(NH2)CO2H)2. It is a white solid that is poorly soluble in water...
lysosomal storage disease characterized by the abnormal accumulation of cystine, the oxidized dimer of the amino acid cysteine. It is a genetic disorder...
three folds in the cystine knot motif; the other closely related knots are the growth factor cystine knot (GFCK) and the cyclic cystine knot (CCK; cyclotide)...
The thiol is susceptible to oxidation to give the disulfide derivative cystine, which serves an important structural role in many proteins. In this case...
acid cystine in the urine, leading to the formation of cystine stones in the kidneys, ureters, and bladder. It is a type of aminoaciduria. "Cystine", not...
A cystine knot is a protein structural motif containing three disulfide bridges (formed from pairs of cysteine residues). The sections of polypeptide...
cystine reductase (EC 1.8.1.6) is an enzyme that catalyzes the chemical reaction 2 L-cysteine + NAD+ ⇌ {\displaystyle \rightleftharpoons } L-cystine +...
Cystine tryptic agar (CTA), also known as cystine trypticase agar, is a growth medium used for the identification of microorganisms. It can be used to...
in nature are unsymmetrical. Illustrative of a symmetric disulfide is cystine. The disulfide bonds are strong, with a typical bond dissociation energy...
The lysosomal cystine transporter (LCT) family (TC# 2.A.43) is part of the TOG Superfamily and includes secondary transport proteins that are derived...
Fanconi syndrome or Fanconi's syndrome (English: /fɑːnˈkoʊni/, /fæn-/) is a syndrome of inadequate reabsorption in the proximal renal tubules of the kidney...
(two proteinogenic: cysteine and methionine, and many other non-coded: cystine, taurine, etc.) and two vitamins (biotin and thiamine) are organosulfur...
g Isoleucine 0.129 g Leucine 0.348 g Lysine 0.137 g Methionine 0.067 g Cystine 0.026 g Phenylalanine 0.150 g Tyrosine 0.123 g Valine 0.185 g Arginine...
in the course of protein folding, an oxidation reaction can generate a cystine unit with a disulfide bond (−S−S−). Disulfide bonds can contribute to a...
subsequently named asparagine, the first amino acid to be discovered. Cystine was discovered in 1810, although its monomer, cysteine, remained undiscovered...
bond length is 2.321 Å, which is 14% longer than the disulfide bond in cystine at 2.040 Å. "L-Selenocystine". pubchem.ncbi.nlm.nih.gov. Muttenthaler,...
relationship with homocysteine is analogous to the relationship between cystine and cysteine. "L-Homocystine". Sigma-Aldrich. Jackson, Peter; Stanley,...
g Isoleucine 0.131 g Leucine 0.247 g Lysine 0.147 g Methionine 0.062 g Cystine 0.066 g Phenylalanine 0.169 g Tyrosine 0.103 g Valine 0.202 g Arginine...
by the abnormal accumulation of cystine, the oxidized dimer of the amino acid cysteine. It removes the excessive cystine that builds up in cells of people...
reducing agent, cysteine. At the same time, cysteine is oxidized into cystine. 2 C3H7NO2S + I2 → C6H12N2O4S2 + 2 I− + 2 H+ Similar to thiosulfate case...
PMID 14262440. Maresca B, Jacobson E, Medoff G, Kobayashi G (September 1978). "Cystine reductase in the dimorphic fungus Histoplasma capsulatum". Journal of Bacteriology...
bladder), or by what they are made of (calcium oxalate, uric acid, struvite, cystine). In those who have had renal calculi, drinking fluids is a way to prevent...
disease. It is also used for people with kidney stones who have high urine cystine levels, rheumatoid arthritis, and various heavy metal poisonings. It is...
relevant when there is presence of specific abnormal types of crystals (cystine, cholesterol, leucine, tyrosine, etc.) and that may be a sign of metabolic...
permeable. The thioglycolic acid in the perm solution reduces the disulfide cystine bonds in the cortex of the hair. In a sense, the thioglycolate removes...
g Isoleucine 1.971 g Leucine 3.309 g Lysine 2.706 g Methionine 0.547 g Cystine 0.655 g Phenylalanine 2.122 g Tyrosine 1.539 g Valine 2.029 g Arginine...
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