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DNMT3B

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Template:PBB DNA (cytosine-5-)-methyltransferase 3 beta, also known as DNMT3B, is a protein associated with immunodeficiency, centromere instability and facial anomalies syndrome.

Function

CpG methylation is an epigenetic modification that is important for embryonic development, imprinting, and X-chromosome inactivation. Studies in mice have demonstrated that DNA methylation is required for mammalian development. This gene encodes a DNA methyltransferase which is thought to function in de novo methylation, rather than maintenance methylation. The protein localizes primarily to the nucleus and its expression is developmentally regulated. Mutations in this gene cause the immunodeficiency-centromeric instability-facial anomalies (ICF) syndrome. Eight alternatively spliced transcript variants have been described. The full length sequences of variants 4 and 5 have not been determined.[1]

Interactions

DNMT3B has been shown to interact with:

References

  1. ^ "Entrez Gene: DNMT3B DNA (cytosine-5-)-methyltransferase 3 beta".
  2. ^ a b c Lehnertz B, Ueda Y, Derijck AA, Braunschweig U, Perez-Burgos L, Kubicek S, Chen T, Li E, Jenuwein T, Peters AH (Jul 2003). "Suv39h-mediated histone H3 lysine 9 methylation directs DNA methylation to major satellite repeats at pericentric heterochromatin". Curr. Biol. 13 (14): 1192–200. doi:10.1016/s0960-9822(03)00432-9. PMID 12867029.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  3. ^ a b Kim GD, Ni J, Kelesoglu N, Roberts RJ, Pradhan S (Aug 2002). "Co-operation and communication between the human maintenance and de novo DNA (cytosine-5) methyltransferases". EMBO J. 21 (15): 4183–95. doi:10.1093/emboj/cdf401. PMC 126147. PMID 12145218.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  4. ^ Ling Y, Sankpal UT, Robertson AK, McNally JG, Karpova T, Robertson KD. "Modification of de novo DNA methyltransferase 3a (Dnmt3a) by SUMO-1 modulates its interaction with histone deacetylases (HDACs) and its capacity to repress transcription". Nucleic Acids Res. 32 (2): 598–610. doi:10.1093/nar/gkh195. PMC 373322. PMID 14752048.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  5. ^ a b c Geiman TM, Sankpal UT, Robertson AK, Chen Y, Mazumdar M, Heale JT, Schmiesing JA, Kim W, Yokomori K, Zhao Y, Robertson KD. "Isolation and characterization of a novel DNA methyltransferase complex linking DNMT3B with components of the mitotic chromosome condensation machinery". Nucleic Acids Res. 32 (9): 2716–29. doi:10.1093/nar/gkh589. PMC 419596. PMID 15148359.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  6. ^ a b Kang ES, Park CW, Chung JH (Dec 2001). "Dnmt3b, de novo DNA methyltransferase, interacts with SUMO-1 and Ubc9 through its N-terminal region and is subject to modification by SUMO-1". Biochem. Biophys. Res. Commun. 289 (4): 862–8. doi:10.1006/bbrc.2001.6057. PMID 11735126.{{cite journal}}: CS1 maint: multiple names: authors list (link)

Further reading