5K7V

Computational Design of Self-Assembling Cyclic Protein Homooligomers


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.165 Å
  • R-Value Free: 0.223 
  • R-Value Work: 0.201 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history

Literature

Computational design of self-assembling cyclic protein homo-oligomers.

Fallas, J.A.Ueda, G.Sheffler, W.Nguyen, V.McNamara, D.E.Sankaran, B.Pereira, J.H.Parmeggiani, F.Brunette, T.J.Cascio, D.Yeates, T.R.Zwart, P.Baker, D.

(2017) Nat Chem 9: 353-360

  • DOI: 10.1038/nchem.2673
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 
  • Self-assembling cyclic protein homo-oligomers play important roles in biology, and the ability to generate custom homo-oligomeric structures could enable new approaches to probe biological function. Here we report a general approach to design cyclic ...

    Self-assembling cyclic protein homo-oligomers play important roles in biology, and the ability to generate custom homo-oligomeric structures could enable new approaches to probe biological function. Here we report a general approach to design cyclic homo-oligomers that employs a new residue-pair-transform method to assess the designability of a protein-protein interface. This method is sufficiently rapid to enable the systematic enumeration of cyclically docked arrangements of a monomer followed by sequence design of the newly formed interfaces. We use this method to design interfaces onto idealized repeat proteins that direct their assembly into complexes that possess cyclic symmetry. Of 96 designs that were characterized experimentally, 21 were found to form stable monodisperse homo-oligomers in solution, and 15 (four homodimers, six homotrimers, six homotetramers and one homopentamer) had solution small-angle X-ray scattering data consistent with the design models. X-ray crystal structures were obtained for five of the designs and each is very close to their corresponding computational model.


    Organizational Affiliation

    Institute for Protein Design, University of Washington, Seattle, Washington 98195, USA.,Department of Chemistry and Biochemistry, University of California Los Angles, Los Angeles, California 90095, USA.,Joint BioEnergy Institute, Emeryville, California 94608, USA.,Department of Biochemistry, University of Washington, Seattle, Washington 98195, USA.,Berkeley Center for Structural Biology, Molecular Biophysics and Integrated Bioimaging, Lawrence Berkeley Laboratory, Berkeley, California 94720, USA.,Howard Hughes Medical Institute, University of Washington, Seattle, Washington 98195, USA.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Designed protein HR00C3
A, B, C
288N/AMutation(s): 0 
Protein Feature View is not available: No corresponding UniProt sequence found.
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.165 Å
  • R-Value Free: 0.223 
  • R-Value Work: 0.201 
  • Space Group: P 3 2 1
Unit Cell:
Length (Å)Angle (°)
a = 159.005α = 90.00
b = 159.005β = 90.00
c = 94.982γ = 120.00
Software Package:
Software NamePurpose
xia2data reduction
xia2data scaling
PHASERphasing
PHENIXrefinement

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2017-04-12
    Type: Initial release
  • Version 1.1: 2017-11-01
    Type: Author supporting evidence