It is a tissue - specific subtype of troponin I , which in turn is a part of the troponin complex .
Troponin I , slow skeletal muscle is a protein that in humans is encoded by the TNNI1 gene .
It is a tissue - specific subtype of troponin TNNI1 , which in turn is a part of the troponin complex .
Troponin I , slow skeletal muscle is a protein that in humans is encoded by the TNNI1 gene .