




Hemoglobin Mighty Model©
Hemoglobin Mighty Model – 3D Printed Protein Structure
Help students uncover the molecular story behind oxygen transport with the Hemoglobin Mighty Model—a detailed 3D-printed representation of one of biology’s most iconic proteins. Designed for hands-on exploration, this model highlights how structure drives function at every level of protein organization.
Available in three formats:
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Alpha-Globin Model – One of hemoglobin’s two subunits, ideal for studying protein folding and structure.
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Beta-Globin Model – The companion subunit that invites comparisons in sequence and function. This model highlights the impact of the sickle cell mutation that changes a glutamic acid residue to a valine residue – leading to the aggregation of hemoglobin tetramers.
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Hemoglobin Model Set – Includes 2 alpha-globin and 2 beta-globin units that magnetically assemble into a full hemoglobin tetramer.
New interactive features:
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Magnetic connections embedded in each subunit allow students to build and rebuild the complete hemoglobin tetramer. Buy one now and add more later—each piece is compatible for future expansion.
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Removable heme group with detailed oxygen and carbon monoxide pieces helps visualize gas exchange and the role of metals (Fe) in biology.
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Sickle cell modeling activity lets students replace the glutamic acid sidechain on the beta-globin with a valine and model how this single amino acid change creates the sickles shape in red blood cells.
Ideal for teaching:
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Protein structure at all four levels (primary, secondary, tertiary, and quaternary)
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Chemical forces driving protein folding: hydrophobic, polar, and electrostatic interactions
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Mechanisms of oxygen binding and release
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Cooperativity in oxygen transport
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Sickle cell anemia and CRISPR-based treatments
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The crucial role of iron in the heme group
Each model is precision 3D-printed in durable, full-color PLA and designed for classroom investigation and discovery—helping learners visualize the invisible and connect molecular structure to real-world health and biochemistry.
Explore the full collection at 3D Molecular Designs.



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