Abstract:
:The primary structures of the alpha globins from CE/J, DBA/2J, and a stock of Potter's mice were determined to identify the amino acid substitutions associated with the unique isoelectric focusing patterns of these hemoglobins. In addition, the primary structures of the alpha globins from MOL III and PERU mice were studied in search of amino acid substitutions that may not be detected by isoelectric focusing. CE/J hemoglobin contains a unique kind of alpha globin called chain 5. It differs from the single kind of alpha globin (chain 1) in C57BL/6 by having alanine rather than glycine at position 78. DBA/2J hemoglobin has two kinds of alpha globins: one half is like chain 5 and the other half is like chain 1. The hemoglobin from Potter's stock of Mus musculus molossinus also contains chains 1 and 5, but they are expressed at different levels i.e., 80% chain 1 and 20% chain 5. MOL III hemoglobin has a single kind of a alpha globin identical to that in C57BL/6, and PERU hemoglobin contains approximately 40% chain 1 and 60% chain 4. Chains 1 and 4 have different amino acids at positions 25, 62 and 68. These studies confirm that mouse hemoglobins separable by isoelectric focusing, but not by other means of electrophoresis, have substitutions of neutrally charged amino acids in their alpha chains.
journal_name
Biochem Genetjournal_title
Biochemical geneticsauthors
Popp RA,Bailiff EG,Skow LC,Whitney JB 3rddoi
10.1007/BF00484946subject
Has Abstractpub_date
1982-02-01 00:00:00pages
199-208issue
1-2eissn
0006-2928issn
1573-4927journal_volume
20pub_type
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