The present work analyzed the tetrameric stability of the hemoglobins from the rattlesnake C. durissus terrificus using analytical gel filtration chromatography, SAXS and osmotic stress. We show that the dissociation mechanism proposed for L. miliaris hemoglobin does not apply for these hemoglobins, which constitute stable tetramers even at low concentrations.
Depto. de Quimica e Ciencias Ambientais, IBILCE-UNESP, Rua Cristovao Colombo 2265, S.J. do Rio Preto SP, Brazil CEP 15054-000, Brazil.
Publication date: May 1, 2006
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