4PND

A de novo designed pentameric coiled coil CC-Pent_Variant


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.75 Å
  • R-Value Free: 0.225 
  • R-Value Work: 0.193 
  • R-Value Observed: 0.194 

wwPDB Validation 3D Report Full Report


This is version 2.1 of the entry. See complete history


Literature

Computational design of water-soluble alpha-helical barrels.

Thomson, A.R.Wood, C.W.Burton, A.J.Bartlett, G.J.Sessions, R.B.Brady, R.L.Woolfson, D.N.

(2014) Science 346: 485-488

  • DOI: 10.1126/science.1257452
  • Primary Citation of Related Structures:  
    4PNB, 4PND, 4PNA, 4PN8, 4PN9

  • PubMed Abstract: 
  • The design of protein sequences that fold into prescribed de novo structures is challenging. General solutions to this problem require geometric descriptions of protein folds and methods to fit sequences to these. The α-helical coiled coils present a ...

    The design of protein sequences that fold into prescribed de novo structures is challenging. General solutions to this problem require geometric descriptions of protein folds and methods to fit sequences to these. The α-helical coiled coils present a promising class of protein for this and offer considerable scope for exploring hitherto unseen structures. For α-helical barrels, which have more than four helices and accessible central channels, many of the possible structures remain unobserved. Here, we combine geometrical considerations, knowledge-based scoring, and atomistic modeling to facilitate the design of new channel-containing α-helical barrels. X-ray crystal structures of the resulting designs match predicted in silico models. Furthermore, the observed channels are chemically defined and have diameters related to oligomer state, which present routes to design protein function.


    Organizational Affiliation

    School of Chemistry, University of Bristol, Cantock's Close, Bristol, BS8 1TS, UK. School of Biochemistry, University of Bristol, Medical Sciences Building, University Walk, Bristol, BS8 1TD, UK. chzart@bristol.ac.uk d.n.woolfson@bristol.ac.uk.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
CC-Pent_VariantABCDE31synthetic constructMutation(s): 0 
Protein Feature View
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  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.75 Å
  • R-Value Free: 0.225 
  • R-Value Work: 0.193 
  • R-Value Observed: 0.194 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 31.95α = 90
b = 42.56β = 90
c = 97γ = 90
Software Package:
Software NamePurpose
PHENIXrefinement
iMOSFLMdata reduction
Aimlessdata scaling
PHASERphasing

Structure Validation

View Full Validation Report



Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
European Research CouncilUnited Kingdom340764
Engineering and Physical Sciences Research CouncilUnited KingdomEP/J001430/3
Biotechnology and Biological Sciences Research CouncilUnited KingdomBB/J008990/1

Revision History 

  • Version 1.0: 2014-10-22
    Type: Initial release
  • Version 1.1: 2014-11-05
    Changes: Database references
  • Version 2.0: 2017-08-30
    Changes: Advisory, Atomic model, Author supporting evidence
  • Version 2.1: 2017-09-13
    Changes: Author supporting evidence