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单词 troponin
释义

Definition of troponin in English:

troponin

noun ˈtrəʊpə(ʊ)nɪnˈtrō-
mass nounBiochemistry
  • A globular protein complex involved in muscle contraction. It occurs with tropomyosin in the thin filaments of muscle tissue.

    〔生化〕肌钙蛋白,肌原蛋白

    Example sentencesExamples
    • Actin, myosin, and troponin and tropomyosin were isolated from rabbit back muscle.
    • The tropomyosin and troponin proteins on the actin filament provide the switch.
    • The onset of contractile activity involves activating troponin, the second accessory protein of thin filaments.
    • The addition of regulatory proteins, troponin and tropomyosin, is known to increase the sliding speed of thin filaments in the in vitro motility assay.
    • Together with the associated protein troponin, TM on actin can switch between two laterally shifted conformations.

Origin

1960s: from tropomyosin + -n- + -in1.

Definition of troponin in US English:

troponin

nounˈtrō-
Biochemistry
  • A globular protein complex involved in muscle contraction. It occurs with tropomyosin in the thin filaments of muscle tissue.

    〔生化〕肌钙蛋白,肌原蛋白

    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.
    • Actin, myosin, and troponin and tropomyosin were isolated from rabbit back muscle.
    • The tropomyosin and troponin proteins on the actin filament provide the switch.
    • The onset of contractile activity involves activating troponin, the second accessory protein of thin filaments.
    • Together with the associated protein troponin, TM on actin can switch between two laterally shifted conformations.

Origin

1960s: from tropomyosin + -n- + -in.

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更新时间:2025/6/18 22:02:17