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Title: Association of human lambda light chain V/J/C segments: serologic analysis and primary structure of the lambda VI Bence Jones protein THO. Author: Ghiso J, Solomon A, Frangione B. Journal: J Immunol; 1986 Jan; 136(2):716-9. PubMed ID: 3079791. Abstract: The complete amino acid sequence of the human monoclonal lambda VI light chain Bence Jones protein THO was determined. We have found it to have remarkable similarities to the previously sequenced lambda VI Bence Jones protein SUT. Immunochemical analyses demonstrated that both lambda VI chains belong to a V lambda VI sub-subgroup. The 98-residue V gene-encoded segments of proteins THO and SUT are closely homologous and are distinguished from other lambda VI chains by a one-residue deletion at the V-J recombination site. Proteins THO and SUT have identical 13-residue J segments and therefore are encoded by the same J lambda gene. Further, both proteins have identical 105-residue C regions that by sequence represent products of the C lambda 3 (Kern-, Oz+) gene. The primary structure and serologic properties of proteins THO and SUT imply at the protein level of association between certain types of V lambda, J lambda, and C lambda segments.[Abstract] [Full Text] [Related] [New Search]