1QQE

CRYSTAL STRUCTURE OF THE VESICULAR TRANSPORT PROTEIN SEC17


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.9 Å
  • R-Value Free: 0.283 
  • R-Value Work: 0.260 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

Crystal structure of the vesicular transport protein Sec17: implications for SNAP function in SNARE complex disassembly.

Rice, L.M.Brunger, A.T.

(1999) Mol.Cell 4: 85-95


  • PubMed Abstract: 
  • SNAP proteins play an essential role in membrane trafficking in eukaryotic cells. They activate and recycle SNARE proteins by serving as adaptors between SNAREs and the cytosolic chaperone NSF. We have determined the crystal structure of Sec17, the y ...

    SNAP proteins play an essential role in membrane trafficking in eukaryotic cells. They activate and recycle SNARE proteins by serving as adaptors between SNAREs and the cytosolic chaperone NSF. We have determined the crystal structure of Sec17, the yeast homolog of alpha-SNAP, to 2.9 A resolution. Sec17 is composed of an N-terminal twisted sheet of alpha-helical hairpins and a C-terminal alpha-helical bundle. The N-terminal sheet has local similarity to the tetratricopeptide repeats from protein phosphatase 5 but has a different overall twist. Sec17 also shares structural features with HEAT and clathrin heavy chain repeats. Possible models of SNAP:SNARE binding suggest that SNAPs may function as lever arms, transmitting forces generated by conformational changes in NSF/Sec18 to drive disassembly of SNARE complexes.


    Organizational Affiliation

    Howard Hughes Medical Institute, Yale University, New Haven, Connecticut 06520, USA.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
VESICULAR TRANSPORT PROTEIN SEC17
A
292Saccharomyces cerevisiae (strain ATCC 204508 / S288c)Mutation(s): 1 
Gene Names: SEC17
Find proteins for P32602 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
Go to UniProtKB:  P32602
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.9 Å
  • R-Value Free: 0.283 
  • R-Value Work: 0.260 
  • Space Group: P 41
Unit Cell:
Length (Å)Angle (°)
a = 107.900α = 90.00
b = 107.900β = 90.00
c = 46.100γ = 90.00
Software Package:
Software NamePurpose
SCALEPACKdata scaling
ADSCdata collection
CNSrefinement
CNSphasing

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 1999-09-08
    Type: Initial release
  • Version 1.1: 2008-04-27
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Version format compliance