Horse deoxyhemoglobinPDB ID: 2DHB
Hemoglobin is the protein that transports oxygen in the blood. This historic structure was the first structure of a multisubunit protein, solved in the laboratory of Max Perutz.
Three dimensional fourier synthesis of horse deoxyhaemoglobin at 2.8 Angstrom units resolution.
Bolton, W., Perutz, M.F.
Journal: (1970) Nature 228: 551-552