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Biol Chem Hoppe Seyler. 1991 Dec;372(12):1089-95.

The primary structure of the hemoglobin from the Australian ghost bat (Macroderma gigas, Microchiroptera).

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Max-Planck-Institut für Biochemie, Abteilung Proteinchemie, Martinsried bei München.


The Australian ghost bat (Macroderma gigas, Microchiroptera) has two hemoglobin components in the ratio 3:2. They share identical beta-chains and differ by three replacements in the alpha-chains. The primary structures of all three chains are presented. They could be separated by high-performance liquid chromatography. The sequences were determined by automatic liquid and gas phase Edman degradation of the chains and their tryptic peptides. The two alpha-chains show 18 and 19 and the beta-chains 15 exchanges compared to human alpha- and beta-chains, respectively. The divergent evolution of Macroderma gigas and Megaderma lyra, two representatives of the family Megadermatidae, is discussed. An influence of replacements at functionally important positions on the hemoglobin oxygen affinity seems unlikely.

[Indexed for MEDLINE]

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