Hemoglobin from the Antarctic fish Notothenia coriiceps neglecta. 2. Amino acid sequence of the alpha chain of Hb1
- PMID: 2920735
- DOI: 10.1111/j.1432-1033.1989.tb14604.x
Hemoglobin from the Antarctic fish Notothenia coriiceps neglecta. 2. Amino acid sequence of the alpha chain of Hb1
Abstract
The complete amino acid sequence of the alpha chain of the main hemoglobin of the Antarctic fish Notothenia coriiceps neglecta (family Nototheniidae) has been determined. It consists of 142 residues; an acetylated seryl residue is at the amino terminal. The molecular mass is 15,519 Da. In comparison with alpha-chain sequences of non-Antarctic poikilothermic fish hemoglobins, the homology appears to be significantly lower than that existing among the latter species. A higher homology has been found with the alpha-chain sequence of the non-poikilothermic bluefin tuna.
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