Definition of tropomyosin in English:

tropomyosin

Syllabification: trop·o·my·o·sin
Pronunciation: /ˌträpōˈmīəsən, ˌtrō-
 
/

noun

Biochemistry
A protein involved in muscle contraction. It is related to myosin and occurs together with troponin in the thin filaments of muscle tissue.
More example sentences
  • The addition of regulatory proteins, troponin and tropomyosin, is known to increase the sliding speed of thin filaments in the in vitro motility assay.
  • Unfavorable interactions could occur at high ionic strength between adjacent tropomyosin molecules, between tropomyosin and troponin, or between other protein pairs.
  • Flight muscle contraction is regulated by both stretch and Ca 2 + induced thin filament (actin + tropomyosin + troponin complex) activation.

Origin

1940s: from Greek tropos 'turning' + myosin.

Definition of tropomyosin in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day setose
Pronunciation: ˈsiːtəʊs
adjective
bearing bristles or setae; bristly