3g9h

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Crystal structure of the C-terminal mu homology domain of Syp1Crystal structure of the C-terminal mu homology domain of Syp1

Structural highlights

3g9h is a 1 chain structure with sequence from Saccharomyces cerevisiae. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 2.8Å
Ligands:
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

SYP1_YEAST Multi-functional protein that contributes to the endocytic process, but also to events that occur at the neck during budding and/or cytokinesis. Plays a role as an endocytic adapters with membrane-tubulation activity that associates with transmembrane cargo proteins and initiates the formation of endocytic sites. Contributes to the stabilization of the nascent clathrin-coated pit. Plays also a role in late endocytosis by mediating vesiculation. Involved in the regulation of cell cycle-dependent dynamics of the septin cytoskeleton by promoting septin turnover in different cell cycle stages. May act through the RHO2 signaling pathway to repolarize cortical actin patches in profilin-deficient cells.[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.

References

  1. Marcoux N, Cloutier S, Zakrzewska E, Charest PM, Bourbonnais Y, Pallotta D. Suppression of the profilin-deficient phenotype by the RHO2 signaling pathway in Saccharomyces cerevisiae. Genetics. 2000 Oct;156(2):579-92. PMID:11014808
  2. Qiu W, Neo SP, Yu X, Cai M. A novel septin-associated protein, Syp1p, is required for normal cell cycle-dependent septin cytoskeleton dynamics in yeast. Genetics. 2008 Nov;180(3):1445-57. doi: 10.1534/genetics.108.091900. Epub 2008, Sep 14. PMID:18791237 doi:http://dx.doi.org/10.1534/genetics.108.091900
  3. Reider A, Barker SL, Mishra SK, Im YJ, Maldonado-Baez L, Hurley JH, Traub LM, Wendland B. Syp1 is a conserved endocytic adaptor that contains domains involved in cargo selection and membrane tubulation. EMBO J. 2009 Oct 21;28(20):3103-16. Epub 2009 Aug 27. PMID:19713939 doi:10.1038/emboj.2009.248
  4. Stimpson HE, Toret CP, Cheng AT, Pauly BS, Drubin DG. Early-arriving Syp1p and Ede1p function in endocytic site placement and formation in budding yeast. Mol Biol Cell. 2009 Nov;20(22):4640-51. Epub 2009 Sep 23. PMID:19776351 doi:http://dx.doi.org/E09-05-0429

3g9h, resolution 2.80Å

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OCA