cystine

• Aminoácido cristalino que contém enxofre, presente em proteínas, especialmente na queratina, e formado pela oxidação de duas moléculas de cisteína.

A crystalline amino acid found in proteins, especially keratin, and originally discovered in bladder stones.

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1. C2formalmedical

   A crystalline, sulfur-containing amino acid found in proteins, especially keratin, and historically discovered in bladder stones.

   Cistina

   • Cystine is essential for the formation of disulfide bonds in proteins.
   • High levels of cystine in urine can lead to kidney stones.
   • Keratin, a protein rich in cystine, gives strength to hair and nails.