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One of the minor protein components of skeletal and cardiac muscles. It functions as the calcium-binding component in a complex with BETA-TROPOMYOSIN; ACTIN; and MYOSIN and confers calcium sensitivity to the cross-linked actin and myosin filaments. Troponin itself is a complex of three regulatory proteins (TROPONIN C; TROPONIN I; and TROPONIN T).

Year introduced: 1984(1975)

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Tree Number(s): D05.500.945, D05.750.078.730.825, D12.776.210.500.910, D12.776.220.525.825

MeSH Unique ID: D014336

Entry Terms:

  • Troponin Complex
  • Troponins

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