8f2r

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Human CCC complexHuman CCC complex

Structural highlights

8f2r is a 10 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:Electron Microscopy, Resolution 3.12Å
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

COMD1_HUMAN Promotes ubiquitination of NF-kappa-B subunit RELA and its subsequent proteasomal degradation. Down-regulates NF-kappa-B activity. Down-regulates SOD1 activity by interfering with its homodimerization. Plays a role in copper ion homeostasis. Can bind one copper ion per monomer. May function to facilitate biliary copper excretion within hepatocytes.[1] [2] [3] [4] [5] [6] [7]

References

  1. ↑ Burstein E, Ganesh L, Dick RD, van De Sluis B, Wilkinson JC, Klomp LW, Wijmenga C, Brewer GJ, Nabel GJ, Duckett CS. A novel role for XIAP in copper homeostasis through regulation of MURR1. EMBO J. 2004 Jan 14;23(1):244-54. Epub 2003 Dec 18. PMID:14685266 doi:10.1038/sj.emboj.7600031
  2. ↑ Burstein E, Hoberg JE, Wilkinson AS, Rumble JM, Csomos RA, Komarck CM, Maine GN, Wilkinson JC, Mayo MW, Duckett CS. COMMD proteins, a novel family of structural and functional homologs of MURR1. J Biol Chem. 2005 Jun 10;280(23):22222-32. Epub 2005 Mar 30. PMID:15799966 doi:http://dx.doi.org/10.1074/jbc.M501928200
  3. ↑ de Bie P, van de Sluis B, Burstein E, Duran KJ, Berger R, Duckett CS, Wijmenga C, Klomp LW. Characterization of COMMD protein-protein interactions in NF-kappaB signalling. Biochem J. 2006 Aug 15;398(1):63-71. PMID:16573520 doi:http://dx.doi.org/BJ20051664
  4. ↑ Narindrasorasak S, Kulkarni P, Deschamps P, She YM, Sarkar B. Characterization and copper binding properties of human COMMD1 (MURR1). Biochemistry. 2007 Mar 20;46(11):3116-28. Epub 2007 Feb 20. PMID:17309234 doi:http://dx.doi.org/10.1021/bi0620656
  5. ↑ Maine GN, Mao X, Komarck CM, Burstein E. COMMD1 promotes the ubiquitination of NF-kappaB subunits through a cullin-containing ubiquitin ligase. EMBO J. 2007 Jan 24;26(2):436-47. Epub 2006 Dec 21. PMID:17183367 doi:http://dx.doi.org/10.1038/sj.emboj.7601489
  6. ↑ Thoms HC, Loveridge CJ, Simpson J, Clipson A, Reinhardt K, Dunlop MG, Stark LA. Nucleolar targeting of RelA(p65) is regulated by COMMD1-dependent ubiquitination. Cancer Res. 2010 Jan 1;70(1):139-49. doi: 10.1158/0008-5472.CAN-09-1397. PMID:20048074 doi:http://dx.doi.org/10.1158/0008-5472.CAN-09-1397
  7. ↑ Vonk WI, Wijmenga C, Berger R, van de Sluis B, Klomp LW. Cu,Zn superoxide dismutase maturation and activity are regulated by COMMD1. J Biol Chem. 2010 Sep 10;285(37):28991-9000. doi: 10.1074/jbc.M110.101477. Epub, 2010 Jul 1. PMID:20595380 doi:http://dx.doi.org/10.1074/jbc.M110.101477

8f2r, resolution 3.12Å

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OCA
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