Identification of an H-2Kd gene using a specific cDNA probe.

AUTOR(ES)

Xin, J H

RESUMO

A cDNA clone known to code for a mouse histocompatibility (class I) antigen was found to contain a sequence specific for a subpopulation of H-2 genes. This unique sequence is located in the 3' non-coding region close to the stretch of poly(A) nucleotides. A subclone containing this fragment (pH-2d-5) has been used to select hybridizing mRNA. Translation of the mRNA in vitro shows that H-2Kd mRNA is selected. Southern blot analysis of DNA from congenic recombinant mice show that at least one gene containing this sequence is located at the K locus (region) of the major histocompatibility complex. This gene contains a 3.7-kb BglII and a 13-kb EcoRI restriction endonuclease fragment. This gene has been isolated from a genomic DNA library.

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