Medical Definition of J gene
1.
Gene or genes coding for the Joining segment of polypeptide chain which links the V (variable regions) to the C (constant) regions of both Light and Heavy chains of immunoglobulins. During lymphoid development the DNA is rearranged so that the V genes are linked to the J region sequences.
This entry appears with permission from the Dictionary of Cell and Molecular Biology
(11 Mar 2008)
Lexicographical Neighbors of J Gene
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