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Michael Levin Bioelectricity HCN Ion Channel Cyclic Nucleotide Binding Domain with Helices and Beta Roll

Michael Levin Bioelectricity HCN Ion Channel Cyclic Nucleotide Binding Domain with Helices and Beta Roll Education Model Realistic StarForge 3D Print STL File

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Michael Levin Bioelectricity HCN2 Ion Channel Tetramer with Cyclic Nucleotide Binding Domains - 3D Printable STL File

A ribbon model of the cyclic nucleotide binding domain from an HCN ion channel, the pacemaker protein behind rhythmic electrical signals in cells. Long coiled alpha helices wrap around a compact beta roll of flat arrow-shaped strands, joined by thin winding loops that trace the real fold. The smooth, open structure lets you see how the helices cradle the binding pocket from every side. It makes a striking desk piece for anyone into bioelectricity and a clear hands-on teaching model for a biology or biochemistry classroom studying ion channels and protein structure.

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