The Oxygenated Hemoglobin Hb 1HHO is color-coded to visualize the structural properties of hemoglobin: 4 globulin chains (2x Alpha Chains: lite-yellow, 2x Beta Chains: lite red), 4 HEME Groups (red). Bound to the Iron atom at the center of each HEME group 4 Histidine residues. The 4 Oxygen molecules (blue) bind the Iron atoms opposite the Histidine residues.
Oxygenated Hemoglobin Hb is the protein from inside red blood cells that transports oxygen molecules throughout the body. Composed of 4 globulin chains and 4 HEME Groups that attach 4 oxygen molecules.
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Created from PDB ID: 1HHO