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Prosimian hemoglobins: IV. The structural difference responsible for the hemoglobin phenotype of Lemur catta

✍ Scribed by Lawrence K. Duffy; Margaret M. Ehrhardt; John Buettner-Janusch; Dorian H. Coppenhaver


Publisher
John Wiley and Sons
Year
1987
Tongue
English
Weight
405 KB
Volume
13
Category
Article
ISSN
0275-2565

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✦ Synopsis


The ring-tailed lemur, Lemur catta, shows a two-component hemoglobin phenotype after alkaline electrophoresis. A difference in the amino acid sequence of the isolated a-globins was observed at position 15 (a I-Gly, a II-Lys) and can account for the electrophoretic pattern of two hemoglobin components. Only one other amino acid difference was found in the sequence of the two globin chains: a neutral substitution occurs at position 53 (a I-Gly, a 11-Ala). The complete primary structures of the duplicated a-globin chains of Lemur catta are presented.


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