Definition of tropomyosin in English:

tropomyosin

noun ˌtrəʊpə(ʊ)ˈmʌɪəsɪnˌträpōˈmīəsən

mass nounBiochemistry

A protein involved in muscle contraction. It is related to myosin and occurs together with troponin in the thin filaments of muscle tissue.
Example sentencesExamples
- The addition of regulatory proteins, troponin and tropomyosin, is known to increase the sliding speed of thin filaments in the in vitro motility assay.
- Flight muscle contraction is regulated by both stretch and Ca 2 + induced thin filament (actin + tropomyosin + troponin complex) activation.
- The regulation of contractility in striated muscle by calcium is effected via tropomyosin on the actin filament.
- For example, troponin and tropomyosin form large protein complexes with multiple points of interactions with each other and the F-actin helical backbone.
- Unfavorable interactions could occur at high ionic strength between adjacent tropomyosin molecules, between tropomyosin and troponin, or between other protein pairs.

Origin

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

Definition of tropomyosin in US English:

tropomyosin

nounˌträpōˈmīəsən

Biochemistry

A protein involved in muscle contraction. It is related to myosin and occurs together with troponin in the thin filaments of muscle tissue.
Example sentencesExamples
- The regulation of contractility in striated muscle by calcium is effected via tropomyosin on the actin filament.
- 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.
- For example, troponin and tropomyosin form large protein complexes with multiple points of interactions with each other and the F-actin helical backbone.
- 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.

单词	tropomyosin
释义	Definition of tropomyosin in English: tropomyosin noun ˌtrəʊpə(ʊ)ˈmʌɪəsɪnˌträpōˈmīəsən mass nounBiochemistry A protein involved in muscle contraction. It is related to myosin and occurs together with troponin in the thin filaments of muscle tissue. Example sentencesExamples The addition of regulatory proteins, troponin and tropomyosin, is known to increase the sliding speed of thin filaments in the in vitro motility assay. Flight muscle contraction is regulated by both stretch and Ca 2 + induced thin filament (actin + tropomyosin + troponin complex) activation. The regulation of contractility in striated muscle by calcium is effected via tropomyosin on the actin filament. For example, troponin and tropomyosin form large protein complexes with multiple points of interactions with each other and the F-actin helical backbone. Unfavorable interactions could occur at high ionic strength between adjacent tropomyosin molecules, between tropomyosin and troponin, or between other protein pairs. Origin 1940s: from Greek tropos 'turning' + myosin. Definition of tropomyosin in US English: tropomyosin nounˌträpōˈmīəsən Biochemistry A protein involved in muscle contraction. It is related to myosin and occurs together with troponin in the thin filaments of muscle tissue. Example sentencesExamples The regulation of contractility in striated muscle by calcium is effected via tropomyosin on the actin filament. 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. For example, troponin and tropomyosin form large protein complexes with multiple points of interactions with each other and the F-actin helical backbone. 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.
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