1
a. The proximal histidine covalently binds iron.
b. The distal histidine covalently binds oxygen.
c. The distal histidine binds iron
d. Free heme binds CO with the Fe, C and O atoms in a linear array.
e. The iron in heme binds the oxygen atom of CO

1 Answer

2
A) true
b)true
c) False, the distal histidine binds oxygen by hydrogen bonding interaction.
d) true
e) true
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Dallas Beier
15.5k 3 10 26
answered 6 months ago