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Isolation and initial characterization of a novel zinc finger gene, DNMT3L, on 21q22.3, related to the cytosine-5-methyltransferase 3 gene family

  • Ulla Aapola
  • , Kazunori Shibuya
  • , Hamish S. Scott
  • , Juha Ollila
  • , Mauno Vihinen
  • , Maarit Heino
  • , Ai Shintani
  • , Kazuhiko Kawasaki
  • , Shinsei Minoshima
  • , Kai Krohn
  • , Stylianos E. Antonarakis
  • , Nobuyoshi Shimizu
  • , Jun Kudoh
  • , Pärt Peterson

Research output: Contribution to journalArticlepeer-review

Abstract

We have isolated the DNMT3L gene that is related to the cytosine-5- methyltransferase 3 (DNMT3) family. The gene is located on chromosome 21q22.3 between the AIRE and the KIAA0653 genes and spans approximately 16 kb of genomic sequence. The encoded protein of 387 amino acids has a cysteine-rich region containing a novel-type zinc finger domain that is conserved in DNMT3A and DNMT3B but also in ATRX, a member of the SNF2 protein family. The novel domain, called an ADD (ATRX, DNMT3, DNMT3L)-type zinc finger, contains two subparts: a C2C2 and an imperfect PHD zinc finger. Expression of the DNMT3L mRNA was not detectable by Northern blotting; however, RT-PCR amplification revealed that it is expressed at low levels in several tissues including testis, ovary, and thymus. (C) 2000 Academic Press.

Original languageEnglish (US)
Pages (from-to)293-298
Number of pages6
JournalGenomics
Volume65
Issue number3
DOIs
StatePublished - May 1 2000

All Science Journal Classification (ASJC) codes

  • Genetics

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