Definitions for cystine
ˈsɪs tin, -tɪncys·tine

Princeton's WordNetRate this definition:0.0 / 0 votes

1. cystinenoun

   a crystalline amino acid found in proteins (especially keratin); discovered in bladder stones

WiktionaryRate this definition:0.0 / 0 votes

1. cystinenoun

   a nonessential amino acid formed by the oxidation of cysteine; it contains two cycteine residues linked by a disulfide bond

WikipediaRate this definition:0.0 / 0 votes

1. Cystine

   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.

ChatGPTRate this definition:0.0 / 0 votes

1. cystine

   Cystine is a nonessential amino acid derived from the oxidation of cysteine, which plays a role in protein synthesis. It is characterized by the presence of a disulfide bond, which makes it important for maintaining the structural stability of many proteins. Cystine is commonly found in meat, dairy, and eggs. It is also used as a supplement for nutritional and medical purposes.

Webster DictionaryRate this definition:0.0 / 0 votes

1. Cystinenoun

   a white crystalline substance, C3H7NSO2, containing sulphur, occuring as a constituent of certain rare urinary calculi, and occasionally found as a sediment in urine

2. Etymology: [See Cyst.]

WikidataRate this definition:0.0 / 0 votes

1. Cystine

   Cystine is a dimeric amino acid formed by the oxidation of two cysteine residues that covalently link to make a disulfide bond. This organosulfur compound has the formula (SCH2CH(NH2)CO2H)2. It is a white solid, and melts at 247–249 °C. It was discovered in 1810 by William Hyde Wollaston but was not recognized as being derived of proteins until it was isolated from the horn of a cow in 1899. Through formation of disulfide bonds within and between protein molecules, cystine is a significant determinant of the tertiary structure of most proteins. Disulfide bonding, along with hydrogen bonding and hydrophobic interactions is partially responsible for the formation of the gluten matrix in bread. Human hair contains approximately 5% cystine by mass.

U.S. National Library of MedicineRate this definition:0.0 / 0 votes

1. Cystine

   A covalently linked dimeric nonessential amino acid formed by the oxidation of CYSTEINE. Two molecules of cysteine are joined together by a disulfide bridge to form cystine.

Matched Categories

1. • Amino Acid

Usage in printed sourcesFrom: 

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How to pronounce cystine?

1. Alex

   US English

   David

   US English

   Mark

   US English

   Daniel

   British

   Libby

   British

   Mia

   British

   Karen

   Australian

   Hayley

   Australian

   Natasha

   Australian

   Veena

   Indian

   Priya

   Indian

   Neerja

   Indian

   Zira

   US English

   Oliver

   British

   Wendy

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   Fred

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   Tessa

   South African

How to say cystine in sign language?

Numerology

1. Chaldean Numerology

   The numerical value of cystine in Chaldean Numerology is: 4

2. Pythagorean Numerology

   The numerical value of cystine in Pythagorean Numerology is: 5

Popularity rank by frequency of use

References

1. ^ Princeton's WordNet
   http://wordnetweb.princeton.edu/perl/webwn?s=cystine
2. ^ Wiktionary
   https://en.wiktionary.org/wiki/Cystine
3. ^ Wikipedia
   https://en.wikipedia.org/wiki/Cystine
4. ^ ChatGPT
   https://chat.openai.com
5. ^ Webster Dictionary
   https://www.merriam-webster.com/dictionary/cystine
6. ^ Wikidata
   https://www.wikidata.org/w/index.php?search=cystine
7. ^ Usage in printed sources
   https://books.google.com/ngrams/graph?content=cystine