Topic 9 Myoglobin and Haemoglobin Flashcards
1
Q
Oxidation state of iron in Mb / Hb
A
Fe2+ (further oxidation prevented by heme environment)
2
Q
Structure of heme
A
Lots of conjugation
Fe kept in place with N
3
Q
Which sidechains hold Fe and O2 in place ?
A
His
4
Q
Myoglobin structure
A
8 helices
Helix A->H
5
Q
helices that hold oxygn and iron
A
helix F (proximal)
helix E (distal)
6
Q
Myoglobin binding curve
A
rectabngular hyperbola
7
Q
A
