Nucleic Acids Research, 1984, Vol. 12, No. 17 6887-6900
© 1984
MOLECULAR BIOLOGY |
Analysis of immunoglobulin heavy chain V-region genes belonging to the VNP-gene family
Institut für Genetik der Universität zu Köln Weyertal 121, 5000 Köln 41, FRG
*To whom reprint requests should be sent
Received June 4, 1984. Revised August 3, 1984. Accepted August 20, 1984.
A method wag devised to clone immunoglobulin VH-region genes located on selected restriction fragments from genomic DNA directly into M13 vectors for subsequent nucleotide sequence analysis. Ten recombinant M13 clones representing four so far unknown VH-region genes of the VNP gene family have been analysed. Sequence comparison shows that these genes are closely related to other VH-genes of the VNP gene family. One of the VH-genes exhibits a so far unobserved unusual length of 1002/3 codons and appears to be functional. Analysis of the variation of the isolated VH-genes suggests that framework and complementarity determining regions are exposed to separate types of selective pressures.
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