1r6j

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Ultrahigh resolution Crystal Structure of syntenin PDZ2Ultrahigh resolution Crystal Structure of syntenin PDZ2

Structural highlights

1r6j is a 1 chain structure with sequence from Human. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Ligands:
Gene:SDCBP OR MDA9 OR SYCL (HUMAN)
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum

Function

[SDCB1_HUMAN] Seems to function as an adapter protein. In adherens junctions may function to couple syndecans to cytoskeletal proteins or signaling components. Seems to couple transcription factor SOX4 to the IL-5 receptor (IL5RA). May also play a role in vesicular trafficking. Seems to be required for the targeting of TGFA to the cell surface in the early secretory pathway.[1] [2] [3]

Evolutionary Conservation

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

Publication Abstract from PubMed

The crystal structure of the second PDZ domain of the scaffolding protein syntenin was solved using data extending to 0.73 A resolution. The crystallographic model, including the hydrogen atoms and the anisotropic displacement parameters, was refined to a conventional R-factor of 7.5% and Rfree of 8.7%, making it the most precise crystallographic model of a protein molecule to date. The model reveals discrete disorder in several places in the molecule, and significant plasticity of the peptide bond, with some omega angles deviating by nearly 20 degrees from planarity. Most hydrogen atoms are easily identifiable in the electron density and weak hydrogen bonds of the C-H...O type are clearly visible between the beta-strands. The study sets a new standard for high-resolution protein crystallography.

The PDZ2 domain of syntenin at ultra-high resolution: bridging the gap between macromolecular and small molecule crystallography.,Kang BS, Devedjiev Y, Derewenda U, Derewenda ZS J Mol Biol. 2004 Apr 30;338(3):483-93. PMID:15081807[4]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

References

  1. ↑ Fernandez-Larrea J, Merlos-Suarez A, Urena JM, Baselga J, Arribas J. A role for a PDZ protein in the early secretory pathway for the targeting of proTGF-alpha to the cell surface. Mol Cell. 1999 Apr;3(4):423-33. PMID:10230395
  2. ↑ Zimmermann P, Tomatis D, Rosas M, Grootjans J, Leenaerts I, Degeest G, Reekmans G, Coomans C, David G. Characterization of syntenin, a syndecan-binding PDZ protein, as a component of cell adhesion sites and microfilaments. Mol Biol Cell. 2001 Feb;12(2):339-50. PMID:11179419
  3. ↑ Geijsen N, Uings IJ, Pals C, Armstrong J, McKinnon M, Raaijmakers JA, Lammers JW, Koenderman L, Coffer PJ. Cytokine-specific transcriptional regulation through an IL-5Ralpha interacting protein. Science. 2001 Aug 10;293(5532):1136-8. PMID:11498591 doi:http://dx.doi.org/10.1126/science.1059157
  4. ↑ Kang BS, Devedjiev Y, Derewenda U, Derewenda ZS. The PDZ2 domain of syntenin at ultra-high resolution: bridging the gap between macromolecular and small molecule crystallography. J Mol Biol. 2004 Apr 30;338(3):483-93. PMID:15081807 doi:http://dx.doi.org/10.1016/j.jmb.2004.02.057

1r6j, resolution 0.73Å

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