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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Regions of allelic hypervariability in the murine A alpha immune response gene.

The murine Ia antigens, a group of cell surface glycoproteins, are involved in the control of the immune response. The structure of one of these class II major histocompatibility complex molecules, A alpha, was recently deduced from sequence analysis of a cDNA clone produced from k haplotype mice. We have now isolated and sequenced A alpha cDNA clones from five other mouse haplotypes: d, b, f, u, and q. Sequence comparison revealed a surprisingly high degree of allelic polymorphism. Interestingly, amino acid substitutions were clustered within the first external domain of this polypeptide chain, particularly at a few highly variable positions. Functional implications of A alpha polymorphism and possible mechanisms for its generation are discussed.[1]

References

  1. Regions of allelic hypervariability in the murine A alpha immune response gene. Benoist, C.O., Mathis, D.J., Kanter, M.R., Williams, V.E., McDevitt, H.O. Cell (1983) [Pubmed]
 
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