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Muscle & Cytoskeleton Pathways
Contraction, motility, and structural dynamics
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Muscle & Cytoskeleton
Muscle Contraction (Excitation-Contraction Coupling)
Calcium-dependent actin-myosin sliding mechanism generating muscle force.
Actin (thin filament)Myosin II (thick filament)Tropomyosin+6
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Muscle & Cytoskeleton
Actin Cytoskeleton Dynamics
Rho GTPase-regulated actin polymerization driving cell shape and motility.
G-actinF-actinArp2/3 complex+8
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Muscle & Cytoskeleton
Integrin Signaling & Focal Adhesions
Cell-ECM adhesion receptors transducing mechanical and chemical signals.
Integrins (αβ dimers)FibronectinCollagen+7
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Muscle & Cytoskeleton
Cardiac Conduction System
Electrical conduction system coordinating rhythmic heart contraction.
HCN channels (If)L-type Ca²⁺ channels (Cav1.2)Nav1.5 (SCN5A)+4