3f2k

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Structure of the transposase domain of human Histone-lysine N-methyltransferase SETMARStructure of the transposase domain of human Histone-lysine N-methyltransferase SETMAR

Structural highlights

3f2k is a 3 chain structure with sequence from Human. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Ligands:
NonStd Res:
Gene:SETMAR (HUMAN)
Activity:Histone-lysine N-methyltransferase, with EC number 2.1.1.43
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum

Function

[SETMR_HUMAN] Histone methyltransferase that methylates 'Lys-4' and 'Lys-36' of histone H3, 2 specific tags for epigenetic transcriptional activation. Specifically mediates dimethylation of H3 'Lys-36'. Has sequence-specific DNA-binding activity and recognizes the 19-mer core of the 5'-terminal inverted repeats (TIRs) of the Hsmar1 element. Has DNA nicking activity. Has in vivo end joining activity and may mediate genomic integration of foreign DNA.[1] [2] [3] [4]

Evolutionary Conservation

Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.

See Also

References

  1. ↑ Lee SH, Oshige M, Durant ST, Rasila KK, Williamson EA, Ramsey H, Kwan L, Nickoloff JA, Hromas R. The SET domain protein Metnase mediates foreign DNA integration and links integration to nonhomologous end-joining repair. Proc Natl Acad Sci U S A. 2005 Dec 13;102(50):18075-80. Epub 2005 Dec 6. PMID:16332963 doi:10.1073/pnas.0503676102
  2. ↑ Cordaux R, Udit S, Batzer MA, Feschotte C. Birth of a chimeric primate gene by capture of the transposase gene from a mobile element. Proc Natl Acad Sci U S A. 2006 May 23;103(21):8101-6. Epub 2006 May 3. PMID:16672366 doi:0601161103
  3. ↑ Roman Y, Oshige M, Lee YJ, Goodwin K, Georgiadis MM, Hromas RA, Lee SH. Biochemical characterization of a SET and transposase fusion protein, Metnase: its DNA binding and DNA cleavage activity. Biochemistry. 2007 Oct 9;46(40):11369-76. Epub 2007 Sep 18. PMID:17877369 doi:10.1021/bi7005477
  4. ↑ Miskey C, Papp B, Mates L, Sinzelle L, Keller H, Izsvak Z, Ivics Z. The ancient mariner sails again: transposition of the human Hsmar1 element by a reconstructed transposase and activities of the SETMAR protein on transposon ends. Mol Cell Biol. 2007 Jun;27(12):4589-600. Epub 2007 Apr 2. PMID:17403897 doi:10.1128/MCB.02027-06

3f2k, resolution 1.85Å

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