The Complete Nucleotide Sequence of the Human Immunoglobulin Heavy Chain Variable Region Locus

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The Complete Nucleotide Sequence of the Human Immunoglobulin Heavy Chain Variable Region Locus

The complete nucleotide sequence of the 957-kb DNA of the human immunoglobulin heavy chain variable (VH) region locus was determined and 43 novel VH segments were identified. The region contains 123 VH segments classifiable into seven different families, of which 79 are pseudogenes. Of the 44 VH segments with an open reading frame, 39 are expressed as heavy chain proteins and 1 as mRNA, while t...

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Humoral immunity is a critical component of the immune system that is established during fetal life and expands upon exposure to pathogens. The extensive humoral immune response repertoire is generated in large part via immunoglobulin (Ig) heavy chain variable region diversity. The horse is a useful model to study the development of humoral diversity because the placenta does not transfer mater...

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Complete nucleotide sequence of the membrane form of the human IgM heavy chain.

We have cloned and sequenced a full length human immunoglobulin M chain cDNA of the membrane bound form. The variable region, nucleotides 119 to 529, is a member of the VHj family. Nucleotides 530 through 1831 encode the heavy chain constant region, which shows 73% identity to mouse and 79% identity with rabbit heavy chain sequences (1). Differences from previously published DNA and protein seq...

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ژورنال

عنوان ژورنال: Journal of Experimental Medicine

سال: 1998

ISSN: 0022-1007,1540-9538

DOI: 10.1084/jem.188.11.2151