3J8F

Cryo-EM reconstruction of poliovirus-receptor complex


Experimental Data Snapshot

  • Method: ELECTRON MICROSCOPY
  • Resolution: 4.00 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

Nectin-Like Interactions between Poliovirus and Its Receptor Trigger Conformational Changes Associated with Cell Entry.

Strauss, M.Filman, D.J.Belnap, D.M.Cheng, N.Noel, R.T.Hogle, J.M.

(2015) J Virol 89: 4143-4157

  • DOI: 10.1128/JVI.03101-14
  • Structures With Same Primary Citation

  • PubMed Abstract: 
  • Poliovirus infection is initiated by attachment to a receptor on the cell surface called Pvr or CD155. At physiological temperatures, the receptor catalyzes an irreversible expansion of the virus to form an expanded form of the capsid called the 135S ...

    Poliovirus infection is initiated by attachment to a receptor on the cell surface called Pvr or CD155. At physiological temperatures, the receptor catalyzes an irreversible expansion of the virus to form an expanded form of the capsid called the 135S particle. This expansion results in the externalization of the myristoylated capsid protein VP4 and the N-terminal extension of the capsid protein VP1, both of which become inserted into the cell membrane. Structures of the expanded forms of poliovirus and of several related viruses have recently been reported. However, until now, it has been unclear how receptor binding triggers viral expansion at physiological temperature. Here, we report poliovirus in complex with an enzymatically partially deglycosylated form of the 3-domain ectodomain of Pvr at a 4-Å resolution, as determined by cryo-electron microscopy. The interaction of the receptor with the virus in this structure is reminiscent of the interactions of Pvr with its natural ligands. At a low temperature, the receptor induces very few changes in the structure of the virus, with the largest changes occurring within the footprint of the receptor, and in a loop of the internal protein VP4. Changes in the vicinity of the receptor include the displacement of a natural lipid ligand (called "pocket factor"), demonstrating that the loss of this ligand, alone, is not sufficient to induce particle expansion. Finally, analogies with naturally occurring ligand binding in the nectin family suggest which specific structural rearrangements in the virus-receptor complex could help to trigger the irreversible expansion of the capsid.


    Organizational Affiliation

    Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, Massachusetts, USA james_hogle@hms.harvard.edu.



Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Capsid protein VP1
1
302Human poliovirus 1 MahoneyMutation(s): 0 
EC: 3.4.22.29 (UniProt), 3.6.1.15 (UniProt), 3.4.22.28 (UniProt), 2.7.7.48 (UniProt)
Find proteins for P03300 (Poliovirus type 1 (strain Mahoney))
Go to UniProtKB:  P03300

Find similar proteins by: Sequence  |  Structure

Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
Capsid protein VP2
2
272Human poliovirus 1 MahoneyMutation(s): 0 
EC: 3.4.22.29 (UniProt), 3.6.1.15 (UniProt), 3.4.22.28 (UniProt), 2.7.7.48 (UniProt)
Find proteins for P03300 (Poliovirus type 1 (strain Mahoney))
Go to UniProtKB:  P03300

Find similar proteins by: Sequence  |  Structure

Entity ID: 3
MoleculeChainsSequence LengthOrganismDetails
Capsid protein VP3
3
238Human poliovirus 1 MahoneyMutation(s): 0 
EC: 3.4.22.29 (UniProt), 3.6.1.15 (UniProt), 3.4.22.28 (UniProt), 2.7.7.48 (UniProt)
Find proteins for P03300 (Poliovirus type 1 (strain Mahoney))
Go to UniProtKB:  P03300

Find similar proteins by: Sequence  |  Structure

Entity ID: 4
MoleculeChainsSequence LengthOrganismDetails
Capsid protein VP4
4
69Human poliovirus 1 MahoneyMutation(s): 1 
EC: 3.4.22.29 (UniProt), 3.6.1.15 (UniProt), 3.4.22.28 (UniProt), 2.7.7.48 (UniProt)
Find proteins for P03300 (Poliovirus type 1 (strain Mahoney))
Go to UniProtKB:  P03300

Find similar proteins by: Sequence  |  Structure

Entity ID: 5
MoleculeChainsSequence LengthOrganismDetails
Poliovirus receptor
7
423Homo sapiensMutation(s): 0 
Gene Names: PVRPVS
Find proteins for P15151 (Homo sapiens)
Go to UniProtKB:  P15151
NIH Common Fund Data Resources
PHAROS  P15151
Small Molecules
Ligands 3 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
NAG
Query on NAG

Download CCD File 
7
N-ACETYL-D-GLUCOSAMINE
C8 H15 N O6
OVRNDRQMDRJTHS-FMDGEEDCSA-N
 Ligand Interaction
BMA
Query on BMA

Download CCD File 
7
BETA-D-MANNOSE
C6 H12 O6
WQZGKKKJIJFFOK-RWOPYEJCSA-N
 Ligand Interaction
FUC
Query on FUC

Download CCD File 
7
ALPHA-L-FUCOSE
C6 H12 O5
SHZGCJCMOBCMKK-SXUWKVJYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: ELECTRON MICROSCOPY
  • Resolution: 4.00 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2015-02-11
    Type: Initial release
  • Version 1.1: 2015-04-01
    Changes: Database references
  • Version 1.2: 2018-07-18
    Changes: Data collection