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Genomics. 1990 Oct;8(2):304-12.

Chromosomal distribution of three members of the human natriuretic peptide receptor/guanylyl cyclase gene family.

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Molecular Biology Department, Genentech, Inc., South San Francisco, California 94080.


Chromosomal localization of the genes encoding three homologous human proteins, the ANPRA, ANPRB, and ANPRC cell surface receptors, was determined by polymerase chain reaction (PCR) analysis of genomic DNA from somatic cell hybrids. The ANPRA gene was assigned to 1q12----qter by intron-specific PCR. The ANPRB gene was assigned to 9p11----p22 using species-specific length variation in PCR fragments. The ANPRC gene was assigned to chromosome 5 using human-specific PCR primers identified by screening a human primer panel on parental DNA samples (shotgun primer screening). Chromosomal assignments based on PCR analysis were confirmed and the genes further sublocalized by in situ hybridization of cloned cDNA probes to human metaphase chromosomes. The ANPRA gene was sublocalized to 1q21----q22, the ANPRB gene to 9p12----p21, and the ANPRC gene to 5p13----p14.

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