Literature DB >> 901911

Investigation of two deoxygenated haemoglobin-haptoglobin complexes by Mössbauer spectroscopy.

A Alfsen, D Bade, U Bürck, H Eicher, S Formanek, G M Kalvius, F Lavialle, A Mayer, F Parak, J Tejada, U F Thomanek.   

Abstract

Haemoglobin Haptoglobin complexes formed when [Hp+]/[Hb]= 1/1 and [Hp]/[Hb] =2/1 were investigated by 57Fe Mössbauer spectroscopy. Both samples gave a spectrum consisting of a single quadrupole doublet. The temperature dependence of the quadrupole splitting was also identical for both samples. This proves that in both samples the nearest neighbour environment of the iron atom must be the same. A comparison with earlier investigations on myoglobin and haemoglobin indicates that the electronic structure of iron in the HbHp-complexes is similar to that in myoglobin.

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Year:  1977        PMID： 901911     DOI： 10.1007/bf00535698

Source DB:  PubMed          Journal:  Biophys Struct Mech        ISSN： 0340-1057


  33 in total

1.  Thermal and solvent perturbation as probes of conformational heterogeneity of haptoglobin 1-1.

Authors:  B de Foresta; F Lavialle; A Alfsen
Journal:  Eur J Biochem       Date:  1975-12-01

2.  BIOCHEMICAL SIGNIFICANCE OF SERUM GLYCOPROTEINS. 3. HEPATIC PRODUCTION OF A1 AND A2 GLOBULINS RESPONDING TO INJURY.

Authors:  O W NEUHAUS; A LIU
Journal:  Proc Soc Exp Biol Med       Date:  1964-10

3.  [CHEMICAL COMPOSITION OF HUMAN HAPTOGLOBIN].

Authors:  L CLOAREC; J MORETTI; M RAFELSON
Journal:  C R Hebd Seances Acad Sci       Date:  1963-07-22

4.  [On the chemistry of haptoglobin polymorphism].

Authors:  H E SCHULTZE; H HAUPT; K HEIDE; N HEIMBURGER
Journal:  Clin Chim Acta       Date:  1963-03       Impact factor: 3.786

5.  Calculation of the energy difference between the quaternary structures of deoxy- and oxyhemoglobin.

Authors:  Y Arata; J Otsuka
Journal:  Biochim Biophys Acta       Date:  1975-10-20

6.  Amino-acid sequence of alpha chains of human haptoglobins.

Authors:  J A Black; G H Dixon
Journal:  Nature       Date:  1968-05-25       Impact factor: 49.962

7.  Calorimetric determination of the heat of oxygenation of human hemolgobin as a function of pH and the extent of reaction.

Authors:  D H Atha; G K Ackers
Journal:  Biochemistry       Date:  1974-05-21       Impact factor: 3.162

8.  The resemblance of the combination of human haptoglobin and double hemoglobin molecules to an antigen-antibody reaction.

Authors:  B Malchy; G H Dixon
Journal:  Can J Biochem       Date:  1970-02

9.  Studies on the reaction of haptoglobin with haemoglobin and haemoglobin chains. I. Stoichiometry and affinity.

Authors:  E Chiancone; A Alfsen; C Ioppolo; P Vecchini; A F Agrò; J Wyman; E Antonini
Journal:  J Mol Biol       Date:  1968-07-14       Impact factor: 5.469

10.  Structural studies of haptoglobins. I. Hydrogen ion equilibria and optical rotatory dispersion of Hp 1-1 and Hp 2-2.

Authors:  M Waks; A Alfsen
Journal:  Arch Biochem Biophys       Date:  1966-02       Impact factor: 4.013
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