We have isolated and ordered yeast artificial chromosomes (YACs) and cosmids surrounding the von Hippel-Lindau (VHL) tumor suppressor and plasma membrane Ca2+-transporting ATPase isoform 2 (PMCA-2) genes on chromosome 3p25-26. The YAC contig consists of six YACs and covers a region of 1 megabase. A cosmid-phage contig around VHL and PMCA-2 genes (400 kilobases) was established and integrated into the YAC map. Using these clones, we generated an EcoRI map of the 400-kilobase region. PMCA-2 and VHL complementary DNA were positioned entirely within the cosmid-phage contig as well as two polymorphic markers (D3S601 and D3S1317). This physical map of the cloned region will allow a detailed analysis of both the PMCA-2 and VHL genes. Some of the genomic clones may be useful for isolation of the full-length VHL complementary DNA.

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