Definition of chaperonin in English:

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chaperonin

Pronunciation: /ˌSHapəˈrōnən/

noun

Biochemistry
A protein that aids the assembly and folding of other protein molecules in living cells.
Example sentences
  • In addition to folding new proteins, chaperonins also re-fold old proteins which have somehow gotten twisted out of shape.
  • The best studied chaperone is the bacterial chaperonin, GroEL, a large protein shaped like a double ring with dyad symmetry under certain conditions.
  • The biogenesis of microtubules in the cell comprises a series of complex steps, including protein-folding reactions catalyzed by chaperonins.

Origin

Late 20th century: from chaperone + -in1.

For editors and proofreaders

Syllabification: chap·er·o·nin

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