Figure 9.6 
The quaternary structure of deoxyhemoglobin. Hemoglobin, which is composed of two α chains and two β chains, functions as a pair of αβ dimers. (A) A ribbon diagram. (B) A space-
The quaternary structure of deoxyhemoglobin. Hemoglobin, which is composed of two α chains and two β chains, functions as a pair of αβ dimers. (A) A ribbon diagram. (B) A space-