Word.ws English Dictionary

cystine knot

cystine knot noun: a protein structural motif containing three disulfide bridges formed from pairs of cysteine residues. The sections of polypeptide that occur between two of them form a loop through which a third disulfide bond passes, resulting in a rotaxane substructure. This motif stabilizes protein structure and is conserved in proteins across various species.

Noun

cystine knot (plural cystine knots)

  1. A protein structural motif containing three disulfide bridges formed from pairs of cysteine residues. The sections of polypeptide that occur between two of them form a loop through which a third disulfide bond passes, resulting in a rotaxane substructure. This motif stabilizes protein structure and is conserved in proteins across various species.

Forms of cystine knot

pluralcystine knots

Questions about cystine knot

What does cystine knot mean?
Cystine knot means a protein structural motif containing three disulfide bridges formed from pairs of cysteine residues. The sections of polypeptide that occur between two of them form a loop through which a third disulfide bond passes, resulting in a rotaxane substructure. This motif stabilizes protein structure and is conserved in proteins across various species.
What part of speech is cystine knot?
Cystine knot is a noun.
What is the plural of cystine knot?
The plural of cystine knot is cystine knots.

Words near cystine knot in the dictionary

  1. cystidyl
  2. cystiform
  3. cystignathid
  4. cystignathids
  5. cystine
  6. cystine knot
  7. cystine knots
  8. cystines
  9. cystinosin
  10. cystinosis
  11. cystinotic

Source and license

Adapted from Wiktionary: cystine knot (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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