troponin Flashcards
1
Q
What is troponin?
A
troponin is a complex of three proteins involved in skeletal and cardiac muscle contraction
2
Q
what are the three subunits of troponin?
A
troponin C
troponin T
troponin I
3
Q
troponin C
A
binds to calcium ions
4
Q
troponin T
A
binds to tropomyosin, forming a troponin-tropomyosin complex
5
Q
troponin I
A
binds to actin to hold the troponin-tropomyosin complex in place.