The troponin complex regulates Ca2+ induced muscle contraction. It consists of three subunits: Ca2+ binding (troponin C), inhibitory (troponin I), and tropomyosin binding (troponin T). Troponin I and T are evolutionary related while troponin C belongs to the EF hand family (AllFam:AF007) .
Pol l 7, a crayfish troponin I, was identified as a minor allergen.
Family-defining Pfam domains (at least one of these domains is present in each family member):
|Pfam domain||Pfam clan|
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