Nucleic Acids Research, 1988, Vol. 16, No. 23 11355-11364
© 1988
MOLECULAR BIOLOGY |
The structure of V
and J
segments in the mouse
,Departments of Medicine and Pediatrics Denver, CO, USA 1Howard Hughes Medical Institute, National Jewish Center for Immunology and Respiratory Medicine Denver, CO, USA
Department of Immunology, Hospital Clinico, Barcelona, Catalunya, Spain
*To whom correspondence should be addressed
Received March 8, 1988. Revised October 27, 1988. Accepted October 27, 1988.
Antigen receptors on most T-cells are heterodimeric glycoproteins, comprised of an alpha chain and a beta chain. These chains are encoded by discontiguous variable (V), diversity (D) and joining (J) gene segments that rearrange to produce a contiguous and functional alpha or beta chain gene. To investigate the size and diversity of the germline repertoire of
-chain gene segments, we have characterized and sequenced 20 alpha chain cDNAs. Among these cDNA clones, we have found 4 J
and 4 V
sequences that have not yet been described. The relationship of these "new" gene segments to those already characterized is discussed.
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