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

Nucleotide sequences of gene segments encoding membrane domains of immunoglobulin gamma chains.

The nucleotide sequences of the exons encoding membrane-bound IgG1, IgG2a, and IgG2b of mouse were determined and compared with the sequence of membrane-bound IgM. The sequences indicate that membrane-bound gamma chains bear an additional 71 residues at the COOH termini, including 17-residue acidic, 26-residue hydrophobic, and 28 residue hydrophilic portions. The hydrophobic portion, which seems to be anchored in the lipid bilayer of the membrane, is highly conserved among membrane-bound mu and gamma chains. We propose the presence of a membrane protein that recognizes the conserved hydrophobic segment and anchors the membrane-bound immunoglobulin. Comparison of the nucleotide sequences revealed another example of intervening sequence-mediated domain exchange around one of the membrane exons.[1]

References

  1. Nucleotide sequences of gene segments encoding membrane domains of immunoglobulin gamma chains. Yamawaki-Kataoka, Y., Nakai, S., Miyata, T., Honjo, T. Proc. Natl. Acad. Sci. U.S.A. (1982) [Pubmed]
 
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