The Structure of the Globin Protein Plays an Important Role

The structure of the globin protein plays an important role in the affinity of hemoglobin for oxygen.

A) Key his and arg residues on the - subunits play a role in conversion of high affinity T to low affinity R states
B) Key his and asp residues on the - subunits play a role in conversion of low affinity T to high affinity T states
C) Key his and asp residues on the- subunits play a role in conversion of low affinity T to high affinity R states
D) Key his and asp residues on the - subunits play a role in conversion of high affinity T to low affinity R states
E) None of the above is correct