Abstract
We have determined the chromosomal localization of the gene for the regulatory subunit RIIα of cAMP-dependent protein kinase (locus PRKAR2A) to human chromosome 3 using polymerase chain reaction (PCR) and Southern blot analysis of two different somatic cell hybrid mapping panels. Furthermore, PCR analysis of a chromosome 3 mapping panel revealed the presence of a human RIIα-specific amplification product only in cell lines containing the region 3p21.3–p21.2. The localization of PRKAR2A was confirmed by PCR mapping using the Stanford G3 Radiation Hybrid Panel as template. The results from this analysis demonstrated that PRKAR2A is most closely linked to D3S3334 (lod score 12.5) and flanked by D3S1322E and D3S1581.
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