Quaternary structure and spin equilibria in ferric hemoglobins. A room temperature study.
The effective magnetic moments for a number of human and carp methemoglobin derivatives were determined in solution at room temperature. The data permit us to confirm the dependence of the spin-state equilibrium of azide methemoglobin on the quarternary state of the hemoglobin and to demonstrate a similar dependence for both human and carp aquomethemoglobin. In addition, the pH dependence of the effective magnetic moment and the Soret spectrum of carp azidemethemoglobin are compared.
D000818:Animals; D002347:Carps; D055598:Chemical Phenomena; D002621:Chemistry; D006801:Humans; D006863:Hydrogen-Ion Concentration; D008280:Magnetics; D008706:Methemoglobin / Q000032:analysis*; D011487:Protein Conformation; D013696:Temperature
D008706:Methemoglobin