Dnmt3b, de novo DNA methyltransferase, interacts with SUMO-1 and Ubc9 through its N-terminal region and is subject to modification by SUMO-1 - PubMed (original) (raw)
. 2001 Dec 14;289(4):862-8.
doi: 10.1006/bbrc.2001.6057.
Affiliations
- PMID: 11735126
- DOI: 10.1006/bbrc.2001.6057
Dnmt3b, de novo DNA methyltransferase, interacts with SUMO-1 and Ubc9 through its N-terminal region and is subject to modification by SUMO-1
E S Kang et al. Biochem Biophys Res Commun. 2001.
Abstract
Dnmt3b, a DNA methyltransferase, is essential for mammalian development potentially through its transcription repression activity. To comprehend the underlying regulatory mechanism of Dnmt3b, we isolated small ubiquitin-like modifier 1 (SUMO-1) and Ubc9 as Dnmt3b-interacting proteins using yeast two-hybrid screens. Deletion analysis and colocalization experiment demonstrated that Dnmt3b interacts with SUMO-1 and Ubc9 at its N-terminal region. We also confirmed the modification of Dnmt3b by SUMO-1 in vivo. These results suggest that sumoylation may constitute a regulation mechanism of Dnmt3b in vivo.
(c)2001 Elsevier Science.
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