Bacteriophage G20c portal protein crystal structure for construct with intact N-terminus

Experimental Data Snapshot

  • Resolution: 1.95 Å
  • R-Value Free: 0.216 
  • R-Value Work: 0.158 

wwPDB Validation 3D Report Full Report

This is version 1.2 of the entry. See complete history


Cryo-EM structure and in vitro DNA packaging of a thermophilic virus with supersized T=7 capsids.

Bayfield, O.W.Klimuk, E.Winkler, D.C.Hesketh, E.L.Chechik, M.Cheng, N.Dykeman, E.C.Minakhin, L.Ranson, N.A.Severinov, K.Steven, A.C.Antson, A.A.

(2019) Proc. Natl. Acad. Sci. U.S.A. 116: 3556-3561


Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Portal protein
A, B, C
446Thermus virus P23-45Mutation(s): 0 
Find proteins for A7XXB9 (Thermus virus P23-45)
Go to UniProtKB:  A7XXB9
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
Query on MPD

Download SDF File 
Download CCD File 
A, B
C6 H14 O2
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Resolution: 1.95 Å
  • R-Value Free: 0.216 
  • R-Value Work: 0.158 
  • Space Group: I 4
Unit Cell:
Length (Å)Angle (°)
a = 159.081α = 90.00
b = 159.081β = 90.00
c = 116.913γ = 90.00
Software Package:
Software NamePurpose
DIALSdata reduction
Aimlessdata scaling

Structure Validation

View Full Validation Report or Ramachandran Plots

Entry History & Funding Information

Deposition Data

Funding OrganizationLocationGrant Number
Wellcome TrustUnited Kingdom206377
Wellcome TrustUnited Kingdom103460
National Institutes of Health/National Institute of Arthritis and Musculoskeletal and Skin DiseasesUnited States--
Russian Foundation for Basic ResearchRussian Federation16-34-60137
Biotechnology and Biological Sciences Research CouncilUnited KingdomBB/L021250/1
Wellcome TrustUnited Kingdom108466

Revision History 

  • Version 1.0: 2019-01-23
    Type: Initial release
  • Version 1.1: 2019-02-27
    Type: Data collection, Database references
  • Version 1.2: 2019-03-06
    Type: Data collection, Database references