Structure and Dynamics of the Acidosis-Resistant A162H Mutant of the Switch Region of Troponin I Bound to the Regulatory Domain of Troponin C.
Pineda-Sanabria, S.E., Robertson, I.M., Sykes, B.D.(2015) Biochemistry 54: 3583-3593
- PubMed: 25996354 
- DOI: 10.1021/acs.biochem.5b00178
- Primary Citation of Related Structures:  
2MZP - PubMed Abstract: 
Intracellular acidosis lowers the Ca²⁺ sensitivity of cardiac muscle, which results in decreased force generation, decreased cardiac output, and, eventually, heart failure. The A162H mutant of cardiac troponin I in the thin filament turns the heart acidosis-resistant ...