Voltage gated calcium channel closed — Free Physiology Illustration

Physiology

Voltage gated calcium channel closed

Compact voltage-gated calcium channel shown as a bulky multi-domain transmembrane protein complex spanning the lipid bilayer. The channel has a rounded cylindrical or barrel-like body made of multiple helices or subunits surrounding a narrow central ion pore, with a closed resting conformation marked by a constricted gate near the middle. Small voltage-sensor-like side protrusions and subtle external loops may be visible. Color the protein in blue-green to blue-gray tones, optionally with turquoise accents, and render it as broader and more elaborate than a simple pore icon.

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