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troponin-I
Function:
- troponin I is the inhibitory subunit of troponin, the thin filament regulatory complex which confers Ca+2 sensitivity to striated muscle actomyosin ATPase activity
- binds to actin & tropomyosin
Related
troponin-I in serum/plasma
General
Ca+2 binding protein
phosphoprotein
protein subunit
Properties
MOTIF: Ca+2-binding site
phosphorylation site
actin-binding site
FOR-BINDING-OF: F-actin
References
- Textbook of Biochemistry with Clinical Correlations,
3rd ed., TM Devlin (ed), Wiley-Liss, NY 1992 pg 961
- Stryer Biochemistry WH Freeman & Co, New York,
1988 pg 933
Component-of
troponin