Amino Acid Sequence of the Monomer Subunit of the Extracellular Hemoglobin of the Earthworm, Pheretima hilgendorfi

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概要

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• The complete amino acid sequence of the monomer subunit of Pheretima hilgendorfi hemoglobin was determined: It consists of 140 amino acid residues, including a disulfide bond but no methionine, and has a molecular weight of 16, 107 Da. Using computed analyses (amino acid maximum homology) with known sequences of monomer subunits of earthworm's hemoglobins, 115 (82%) were found to be identical with those in the corresponding positions of chain I (monomer subunit) of Pheretima sieboldi hemoglobin; 81 residues (55%), 71 residues (47%), and 66 residues (43%) were found to be in identical positions of the sequences of chain l of Lumbricus terrestris hemoglobin, chain I of Tubifex tubifex hemoglobin and chain I of Tylorrhynchus heterochaetus hemoglobin. Orthologous sequence data of monomer globins that belong to the strain A of annelid hemoglobins are discussed as useful clues for investigation of the divergence pattern of Pheretima species.

• 社団法人日本動物学会の論文
• 1996-08-15

著者

• Shishikura Fumio

  Department Of Biology Nihon University School Of Medicine

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• Amino Acid Sequence of the Monomer Subunit of the Extracellular Hemoglobin of the Earthworm, Pheretima hilgendorfi
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