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The primary structure of polar bear ursus maritimus carnivora and asiatic black bear ursus tibetanus carnivora hemoglobin


Biological Chemistry Hoppe-Seyler 367(1): 53-60
The primary structure of polar bear ursus maritimus carnivora and asiatic black bear ursus tibetanus carnivora hemoglobin
The adult Polar and Asiatic Black Bear have one hemoglobin component each. The complete amino-acid sequences of their .alpha.- and .beta.-chains are presented. Their primary structure were determined by sequencing the tryptic and prolyl peptides. The alignment of these peptides was deduced from homology to human hemoglobin chains. The hemoglobin sequences of the two species proved to be identical. The evolutionary aspects of this result are discussed. A table of identical hemoglobin sequences from different species is given.


Accession: 006740962



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