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  • Journal
    Digital Access Wiley v. 1, 15-19, 21-27, 1926, 1933-36.
    Print Access Request
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    Stored offsite. Please request print.
    v. 1-69, 71-274, 1926-47, 1947-81.
    Before 1943 some numbers BOUND WITH: Acta pathologica et microbiologica Scandinavica.
    52
  • Article
    Raybourne SR, Stallings MB, Gravely ME, Huisman TH.
    Biochim Biophys Acta. 1978 Jul 21;535(1):78-84.
    Oxygen equilibrium studies have been carried out on hemoglobins A2 (alpha2delta2), Lepore-Washington (alpha2(deltabeta)2) and P-Nilotic (alpha2(beta2delta)2) using the beta chain containing hemoglobins A and S as controls. This investigation was initiated mainly because of controversial data that have been published on the oxygen affinity of hemoglobin (Hb) A2 and because samples containing the rare Hb P-Nilotic became available. Each hemoglobin was isolated in pure form by anion exchange chromatography; the samples used in the equilibrium analyses contained 100 mg Hb/dl with less than 5% ferrihemoglobin and no 2,3--diphosphoglycerate. Oxygen equilibrium analyses were made at 37 degrees C with the method of Benesch et al. (1965) Anal. Biochem. 11, 81--87; Anal. Biochem. 55, 245--248 (1973). A slight, but definite increase in oxygen affinity was observed for Hb A2 as well as for Hb P-Nilotic while the increase for the Hb Lepore-Washington was somewhat greater. The values for n, the Hill coefficient, and the Bohr effects were the same for all hemoglobin types. The differences in oxygen affinity of these hemoglobins apparently result from the differences in primary structure that are characteristic for those proteins.
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