8OFR | pdb_00008ofr

Human adenovirus type 25 fiber-knob protein complexed with sialic acid


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.51 Å
  • R-Value Free: 
    0.239 (Depositor), 0.240 (DCC) 
  • R-Value Work: 
    0.221 (Depositor), 0.220 (DCC) 
  • R-Value Observed: 
    0.222 (Depositor) 

wwPDB Validation   3D Report Full Report


Ligand Structure Quality Assessment 

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This is version 1.3 of the entry. See complete history


Literature

Broad sialic acid usage amongst species D human adenovirus.

Mundy, R.M.Baker, A.T.Bates, E.A.Cunliffe, T.G.Teijeira-Crespo, A.Moses, E.Rizkallah, P.J.Parker, A.L.

(2023) Npj Viruses 1: 1-1

  • DOI: https://doi.org/10.1038/s44298-023-00001-5
  • Primary Citation of Related Structures:  
    8OFP, 8OFQ, 8OFR, 8OFS, 8OFT, 8OFU, 8OFV

  • PubMed Abstract: 

    Human adenoviruses (HAdV) are widespread pathogens causing usually mild infections. The Species D (HAdV-D) cause gastrointestinal tract infections and epidemic keratoconjunctivitis (EKC). Despite being significant pathogens, knowledge around HAdV-D mechanism of cell infection is lacking. Sialic acid (SA) usage has been proposed as a cell infection mechanism for EKC causing HAdV-D. Here we highlight an important role for SA engagement by many HAdV-D. We provide apo state crystal structures of 7 previously undetermined HAdV-D fiber-knob proteins, and structures of HAdV-D25, D29, D30 and D53 fiber-knob proteins in complex with SA. Biologically, we demonstrate that removal of cell surface SA reduced infectivity of HAdV-C5 vectors pseudotyped with HAdV-D fiber-knob proteins, whilst engagement of the classical HAdV receptor CAR was variable. Our data indicates variable usage of SA and CAR across HAdV-D. Better defining these interactions will enable improved development of antivirals and engineering of the viruses into refined therapeutic vectors.


  • Organizational Affiliation

    Division of Cancer & Genetics, Cardiff University School of Medicine, Cardiff, CF14 4XN UK.


Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Fiber
A, B, C, D, E
186Human adenovirus 25Mutation(s): 0 
Gene Names: L5
UniProt
Find proteins for M0QUM1 (Human adenovirus 25)
Explore M0QUM1 
Go to UniProtKB:  M0QUM1
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupM0QUM1
Sequence Annotations
Expand
  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
SLB (Subject of Investigation/LOI)
Query on SLB

Download Ideal Coordinates CCD File 
AA [auth C]
BA [auth D]
CA [auth E]
DA [auth F]
EA [auth G]
N-acetyl-beta-neuraminic acid
C11 H19 N O9
SQVRNKJHWKZAKO-PFQGKNLYSA-N
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.51 Å
  • R-Value Free:  0.239 (Depositor), 0.240 (DCC) 
  • R-Value Work:  0.221 (Depositor), 0.220 (DCC) 
  • R-Value Observed: 0.222 (Depositor) 
Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 127.562α = 90
b = 179.321β = 90
c = 207.897γ = 90
Software Package:
Software NamePurpose
REFMACrefinement
XDSdata reduction
Aimlessdata scaling
PHASERphasing
PDB_EXTRACTdata extraction

Structure Validation

View Full Validation Report



Ligand Structure Quality Assessment 

Created with Raphaël 2.3.0Worse 01 BetterLigand structure goodness of fit to experimental dataBest fitted SLBClick on this verticalbar to view details

Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
Medical Research Council (MRC, United Kingdom)United KingdomMR/N0137941/1
Wellcome TrustUnited Kingdom517732

Revision History  (Full details and data files)

  • Version 1.0: 2023-09-20
    Type: Initial release
  • Version 1.1: 2023-10-11
    Changes: Database references
  • Version 1.2: 2024-05-08
    Changes: Database references
  • Version 1.3: 2024-11-06
    Changes: Structure summary