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Biol Chem Hoppe Seyler. 1987 Jun;368(6):675-80.

The primary structure of the hemoglobin of an Indian flying fox (Cynopterus sphinx, Megachiroptera).


The hemoglobin of the Indian flying fox Cynopterus sphinx contains only one component. In this work, we are presenting its primary structure. The globin chains were separated by high-performance liquid chromatography and the sequences determined by automatic liquid and gas-phase Edman degradation of the chains and their tryptic peptides, as well as of the peptide obtained by acid hydrolysis of the Asp-Pro bond in the beta-chains. The alpha-chains show 14 and the beta-chains 19 exchanges compared with the human alpha- and beta-chains, respectively. In the alpha-chains one amino-acid exchange involves an alpha 1/beta 1 contact. In the beta-chains one heme contact, three alpha 1/beta 1- and one alpha 1/beta 2-contacts are exchanged. The functional and evolutionary aspects of these findings are discussed.

[Indexed for MEDLINE]

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