2QP9

Crystal Structure of S.cerevisiae Vps4


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.90 Å
  • R-Value Free: 0.288 
  • R-Value Work: 0.258 
  • R-Value Observed: 0.260 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

Structural characterization of the ATPase reaction cycle of endosomal AAA protein Vps4.

Xiao, J.Xia, H.Yoshino-Koh, K.Zhou, J.Xu, Z.

(2007) J Mol Biol 374: 655-670

  • DOI: 10.1016/j.jmb.2007.09.067
  • Primary Citation of Related Structures:  
    2QPA, 2QP9

  • PubMed Abstract: 
  • The multivesicular body (MVB) pathway functions in multiple cellular processes including cell surface receptor down-regulation and viral budding from host cells. An important step in the MVB pathway is the correct sorting of cargo molecules, which re ...

    The multivesicular body (MVB) pathway functions in multiple cellular processes including cell surface receptor down-regulation and viral budding from host cells. An important step in the MVB pathway is the correct sorting of cargo molecules, which requires the assembly and disassembly of endosomal sorting complexes required for transport (ESCRTs) on the endosomal membrane. Disassembly of the ESCRTs is catalyzed by ATPase associated with various cellular activities (AAA) protein Vps4. Vps4 contains a single AAA domain and undergoes ATP-dependent quaternary structural change to disassemble the ESCRTs. Structural and biochemical analyses of the Vps4 ATPase reaction cycle are reported here. Crystal structures of Saccharomyces cerevisiae Vps4 in both the nucleotide-free form and the ADP-bound form provide the first structural view illustrating how nucleotide binding might induce conformational changes within Vps4 that lead to oligomerization and binding to its substrate ESCRT-III subunits. In contrast to previous models, characterization of the Vps4 structure now supports a model where the ground state of Vps4 in the ATPase reaction cycle is predominantly a monomer and the activated state is a dodecamer. Comparison with a previously reported human VPS4B structure suggests that Vps4 functions in the MVB pathway via a highly conserved mechanism supported by similar protein-protein interactions during its ATPase reaction cycle.


    Organizational Affiliation

    Life Sciences Institute and Department of Biological Chemistry, Medical School, University of Michigan, Ann Arbor, MI 48109, USA.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Vacuolar protein sorting-associated protein 4X355Saccharomyces cerevisiaeMutation(s): 3 
Gene Names: VPS4CSC1DID6END13GRD13VPL4VPT10
Find proteins for P52917 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
Explore P52917 
Go to UniProtKB:  P52917
Protein Feature View
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  • Reference Sequence
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
CD
Query on CD

Download CCD File 
X
CADMIUM ION
Cd
WLZRMCYVCSSEQC-UHFFFAOYSA-N
 Ligand Interaction
SO4
Query on SO4

Download CCD File 
X
SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.90 Å
  • R-Value Free: 0.288 
  • R-Value Work: 0.258 
  • R-Value Observed: 0.260 
  • Space Group: P 65 2 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 86.553α = 90
b = 86.553β = 90
c = 236.061γ = 120
Software Package:
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
SHARPphasing
REFMACrefinement
PDB_EXTRACTdata extraction

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

  • Deposited Date: 2007-07-23 
  • Released Date: 2007-10-09 
  • Deposition Author(s): Xiao, J., Xu, Z.

Revision History 

  • Version 1.0: 2007-10-09
    Type: Initial release
  • Version 1.1: 2011-07-13
    Changes: Advisory, Version format compliance
  • Version 1.2: 2017-10-25
    Changes: Refinement description