Nucleic Acids Research, 1984, Vol. 12, No. 3 1303-1312
© 1984
MOLECULAR BIOLOGY |
Human immunoglobulin heavy chain A2 gene allotype determination by restriction fragment length polymorphism
MRC Laboratory of Molecular Biology Hills Road, Cambridge, CB2 2QH, UK
Received December 23, 1983. Accepted January 11, 1984.
The human immunoglobulin heavy chain a2 genes have two allelic forms or allotypes called A2m(1) and A2m(2). Previously, these allotypic markers have only been distinguishable by serology. Studies of the a2 genes, however, show that it is possible to differentiate between the allotypes by restriction enzyme site polymorphisms, both in the protein coding regions and in flanking regions. These polymorphic sites have been used to determine the a2 allotypes of several human DNAs.
*Permanent address: Laboratoire d'lmmunogénétique, Université des Sciences et Techniques du Languedoc, 34060 Montpellier Cedex, France
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