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. 1985 Feb;4(2):393–398. doi: 10.1002/j.1460-2075.1985.tb03641.x

Nucleotide sequences of five anti-lysozyme monoclonal antibodies.

M J Darsley, A R Rees
PMCID: PMC554198  PMID: 2410256

Abstract

The nucleotide sequences of the heavy and light chain immunoglobulin mRNAs derived from five hybridomas (Gloop 1-5) secreting IgGs specific for the loop region of hen egg lysozyme were determined. These monoclonal antibodies recognise three distinct but overlapping epitopes within the loop region. The sequences of two pairs of antibodies with indistinguishable fine specificities were similar in both chains whereas the sequences of antibodies of non-identical specificities were very different. It is proposed that the D-segments expressed in two of the antibodies (Gloop3 and Gloop4) are the products of one, or perhaps two, previously unidentified germ line D-genes. Gloop1 and Gloop2 use a D-segment previously identified in antibodies specific for the hapten 2-phenyloxazolone; however it is recombined in a different reading frame in the anti-lysozyme antibodies, producing a different amino acid sequence.

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Selected References

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