hemoglobin (human, hb) protein. iron-containing oxygen transport protein found in red blood cells. 3d rendering based on protein

pdb5kdq human hemoglobin deoxyhemoglobin blood iron oxygen transport haemoglobin complex heme hb red cells carbon dioxide monoxide co2 globin globular nitric oxide no co hypoxia anemia bilirubin porphyria hematocrit structure peptide protein amino acid molecule polypeptide polymer atoms science scientific disease health molecular model 3d rendering illustration ball stick black background sphere ballandstick