Hemoglobin - structure and function

Researchers from Virginia Commonwealth University in Richmond delved into the impact of natural mutations on the physiological function of hemoglobin (Hb). Hemoglobin, among the heme-containing globulin proteins, remains extensively studied yet not entirely comprehended. Its fundamental role lies in ferrying oxygen (O2) from the lungs to tissues, involving the binding and subsequent release of oxygen.
There are over 1000 naturally occurring hemoglobin variants, many linked to various disease states spanning from mild to severe conditions. These variants can result in disorders such as polycythemia or anemia, methemoglobinemia, cyanosis, tissue hypoxia, and respiratory distress. The significant strides made in structural biology techniques, like cryo-electron microscopy and time-resolved spectroscopic methods, hold promise in shedding further light on the phenomenon of Hb allostery. These advancements offer hope for a deeper understanding of how hemoglobin's structural changes influence its function in oxygen transport and release. For further details, you can find more information through the provided link.