The human loci DNF15S2 and D3S94 have a high degree of sequence similarity to acyl-peptide hydrolase and are located at 3p21.3

David G. Ginzinger, Viji Shridhar, Antonio Baldini, R. Thomas Taggart, O. J. Miller, David I. Smith

Research output: Contribution to journalArticle

Abstract

The short arm of chromosome 3 undergoes genetic loss in most small-cell lung cancers and renal cell carcinomas. The most frequently deleted region includes the DNF15S2 locus (mapped to 3p21), suggesting that a putative recessive tumor-suppressor gene might be located nearby. A cosmid clone, cA476, contains the D3S94 locus and two HTF islands and detects a PstI RFLP. We have isolated cDNAs homologous to conserved fragments within cA476; and these cDNAs have 96% sequence similarity to a cDNA derived from the DNF15S2 locus. Sequence information from cDNAs derived from both the rat and pig acyl-peptide hydrolase (E.C.3.4.19.1) gene show that they have a high degree of sequence similarity to cDNAs derived from D3S94 and DNF15S2, suggesting that they are all the same locus. Cosmid cA476 (DNFl5S2) has been mapped, by fluorescent in situ hybridization, to chromosome 3p21.3. D3S94 and DNF15S2 are quite distinct from aminoacylase 1 (ACY1), which has been physically linked to D3S2, D3S92, and D3S93, all localized within 3p21.1.

Original languageEnglish
Pages (from-to)826-833
Number of pages8
JournalAmerican Journal of Human Genetics
Volume50
Issue number4
Publication statusPublished - Apr 1992

ASJC Scopus subject areas

  • Genetics

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    Ginzinger, D. G., Shridhar, V., Baldini, A., Taggart, R. T., Miller, O. J., & Smith, D. I. (1992). The human loci DNF15S2 and D3S94 have a high degree of sequence similarity to acyl-peptide hydrolase and are located at 3p21.3. American Journal of Human Genetics, 50(4), 826-833.