What question did this study set out to answer?

Assess the molecular models of Ca(2+)-induced structural transitions in the troponin complex.

The troponin complex and regulation of muscle contraction

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Review discusses the troponin complex's role in muscle contraction, highlighting recent advances in molecular understanding.

Assess the molecular models of Ca(2+)-induced structural transitions in the troponin complex.
Analyze crystal structures of troponin fragments and interactions with target peptides.
Employ bacterial expression and characterization of mutants of troponin components.
Utilize cross-linking and fluorescence studies to examine troponin interactions.
Identified insights into troponin subunit interactions and the mechanism of Ca(2+) binding.
Review highlights the challenges in determining TnI and TnT structures and their roles in the troponin complex.
Provided new models for understanding troponin's function as a Ca(2+)-sensitive molecular switch.

Farah et al. (1995) studied this question.

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