Key result
Bovine cardiac troponin T interacts with troponin I at a 1:1 molar ratio, requiring reduced sulfhydryl groups, with the interaction domain distinct from the troponin C binding region.
Population
Bovine (beef) cardiac troponin T and troponin I proteins
Comparison
Carboxamidomethylation of troponin I and… vs Native (unmodified) troponin molecules
Design
Preclinical
Authors
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Does not inform clinical troponin use; leaves open functional relevance in human myocardium.
The troponin T interaction domain of cardiac troponin I is distinct from the region that interacts with troponin C, and requires reduced sulfhydryl groups for optimal interaction.
Hincke et al. (1979) studied this question. Bovine cardiac troponin T and troponin I was evaluated on Protein interaction characteristics. Bovine cardiac troponin T interacts with troponin I at a 1:1 molar ratio, requiring reduced sulfhydryl groups, with the interaction domain distinct from the troponin C binding region.
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