Question

What is there in the 5 position of deoxyhemoglobin? Explain with a suitable diagram. Cive the relevant equations for the equilibrium constant regarding the oxygen binding by myoglobin.

06 Jan 2025
Answer :
Word Count : 255

In deoxyhemoglobin (Hb), the 5th position of the heme group is occupied by the imidazole nitrogen atom of a histidine residue, specifically Histidine F8. This histidine residue is important in coordinating the iron atom of the heme, which plays a crucial role in oxygen binding. The heme group in hemoglobin and myoglobin consists of a porphyrin ring with an iron atom at the _____ ________ ___ _________ _______.
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