Section 2 - Transport and Storage of Iron

Question 1

What are the two types of siderophores?

What are their structures?

Answer 1

• hydroxamate

- catecholate complex

Question 2

Describe the binding in transferrins

Answer 2

Fe 3+ coordinated by an Asp, two Tyr and one His

Question 3

Describe the bonding, bond length and vibrational frequency in Dioxygen

Answer 3

• 2
• 1.21
• 1560

Question 4

Describe the bonding, bond length and vibrational frequency in superoxo

Answer 4

• 1.5
• 1.24 to 1.31
• 1100-1150

Question 5

Describe the bonding, bond length and vibrational frequency in peroxo

Answer 5

• 1
• 1.35 -1.5
• 740 to 850