Question

What are metalloporphyrins? Discuss the structure and role played by haemoglobin and myoglobin as oxygen carries?

Answer 1

Myoglobin, an iron-containing protein in muscle, receives oxygen from the red blood cells and transports it to the mitochondria of muscle cells, where the oxygen is used in cellular respiration to produce energy. Each myoglobin molecule has one heme prosthetic group located in the hydrophobic cleft in the protein

Answer 2

◼️metalloporphyrins

↪️ are inhibitors of the rate limiting enzyme, heme oxygenase , in the path way of heme degredation leading to bilirubin production. Tim mesoporphyrin has been most extensively studied in human infants and has been shown to reduce the need for phototherapy.

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