Question

The Fe2+ atom in hemoglobin can be bonded to 6 coordinate ligands. What are the six coordinate ligands of ferrous iron bonded to? A. 4 to the porphyrin ring, 1 to the proximal histidine, 1 to the distal histidine B. 4 to the porphyrin ring, 1 to the proximal histidine, 1 to oxygen C. 4 to the porphyrin ring, 1 to the distal histidine, 1 to oxygen D. 1 to oxygen, 5 to histidines in the hemoglobin polypeptide E. the ferrous iron only binds to CO2

          The Fe2+ atom in hemoglobin can be bonded to 6 coordinate ligands. What are the six coordinate ligands of ferrous iron bonded to?
A. 4 to the porphyrin ring, 1 to the proximal histidine, 1 to the distal histidine
B. 4 to the porphyrin ring, 1 to the proximal histidine, 1 to oxygen
C. 4 to the porphyrin ring, 1 to the distal histidine, 1 to oxygen
D. 1 to oxygen, 5 to histidines in the hemoglobin polypeptide
E. the ferrous iron only binds to CO2

The Fe2+ atom in hemoglobin can be bonded to 6 coordinate ligands. What are the six coordinate ligands of ferrous iron bonded to?
A. 4 to the porphyrin ring, 1 to the proximal histidine, 1 to the distal histidine
B. 4 to the porphyrin ring, 1 to the proximal histidine, 1 to oxygen
C. 4 to the porphyrin ring, 1 to the distal histidine, 1 to oxygen
D. 1 to oxygen, 5 to histidines in the hemoglobin polypeptide
E. the ferrous iron only binds to CO2

Added by Brian V.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Adi S

05/19/2023

Step 1

Four of these bonds are with the nitrogen atoms in the porphyrin ring. So, we can eliminate option D, as it does not mention the porphyrin ring. Show more…

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The Fe2+ atom in hemoglobin can be bonded to 6 coordinate ligands. What are the six coordinate ligands of ferrous iron bonded to? A. 4 to the porphyrin ring, 1 to the proximal histidine, 1 to the distal histidine B. 4 to the porphyrin ring, 1 to the proximal histidine, 1 to oxygen C. 4 to the porphyrin ring, 1 to the distal histidine, 1 to oxygen D. 1 to oxygen, 5 to histidines in the hemoglobin polypeptide E. the ferrous iron only binds to CO2