Abstract
The amino acid sequences of mouse brain Thy-1 glycoproteins are shown to be homologous to those of variable-region immunoglobulin domains. There is also good homology with constant domains and beta 2-microglobulin; overall the results suggest that Thy-1 may be like the primordial immunoglobulin domain. Preliminary evidence for an invertebrate Thy-1 homolog supports this possibility.
MeSH terms
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Amino Acid Sequence
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Animals
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Antigens, Surface / immunology*
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Biological Evolution
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Epitopes
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Glycoproteins / immunology*
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Immunoglobulin Constant Regions / immunology
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Immunoglobulin Variable Region / immunology
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Immunoglobulins / immunology*
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Isoantibodies / biosynthesis
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Protein Conformation
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Thy-1 Antigens
Substances
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Antigens, Surface
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Epitopes
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Glycoproteins
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Immunoglobulin Constant Regions
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Immunoglobulin Variable Region
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Immunoglobulins
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Isoantibodies
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Thy-1 Antigens