6EGT

Structure of RVFV envelope protein Gc in postfusion conformation in complex with MES


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.5 Å
  • R-Value Free: 0.235 
  • R-Value Work: 0.196 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history

Literature

A glycerophospholipid-specific pocket in the RVFV class II fusion protein drives target membrane insertion.

Guardado-Calvo, P.Atkovska, K.Jeffers, S.A.Grau, N.Backovic, M.Perez-Vargas, J.de Boer, S.M.Tortorici, M.A.Pehau-Arnaudet, G.Lepault, J.England, P.Rottier, P.J.Bosch, B.J.Hub, J.S.Rey, F.A.

(2017) Science 358: 663-667

  • DOI: 10.1126/science.aal2712
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 
  • The Rift Valley fever virus (RVFV) is transmitted by infected mosquitoes, causing severe disease in humans and livestock across Africa. We determined the x-ray structure of the RVFV class II fusion protein Gc in its postfusion form and in complex wit ...

    The Rift Valley fever virus (RVFV) is transmitted by infected mosquitoes, causing severe disease in humans and livestock across Africa. We determined the x-ray structure of the RVFV class II fusion protein Gc in its postfusion form and in complex with a glycerophospholipid (GPL) bound in a conserved cavity next to the fusion loop. Site-directed mutagenesis and molecular dynamics simulations further revealed a built-in motif allowing en bloc insertion of the fusion loop into membranes, making few nonpolar side-chain interactions with the aliphatic moiety and multiple polar interactions with lipid head groups upon membrane restructuring. The GPL head-group recognition pocket is conserved in the fusion proteins of other arthropod-borne viruses, such as Zika and chikungunya viruses, which have recently caused major epidemics worldwide.


    Organizational Affiliation

    Institut Pasteur, Département de Virologie, Unité de Virologie Structurale, 75724 Paris Cedex 15, France. pablo.guardado-calvo@pasteur.fr jhub@gwdg.de felix.rey@pasteur.fr.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Glycoprotein
A, B, C
531Rift valley fever virusMutation(s): 1 
Gene Names: GP
Find proteins for P03518 (Rift valley fever virus)
Go to UniProtKB:  P03518
Small Molecules
Ligands 3 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
NAG
Query on NAG

Download SDF File 
Download CCD File 
A, B, C
N-ACETYL-D-GLUCOSAMINE
C8 H15 N O6
OVRNDRQMDRJTHS-FMDGEEDCSA-N
 Ligand Interaction
FUL
Query on FUL

Download SDF File 
Download CCD File 
A
BETA-L-FUCOSE
6-DEOXY-BETA-L-GALACTOSE
C6 H12 O5
SHZGCJCMOBCMKK-KGJVWPDLSA-N
 Ligand Interaction
MES
Query on MES

Download SDF File 
Download CCD File 
B, C
2-(N-MORPHOLINO)-ETHANESULFONIC ACID
C6 H13 N O4 S
SXGZJKUKBWWHRA-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.5 Å
  • R-Value Free: 0.235 
  • R-Value Work: 0.196 
  • Space Group: P 2 21 21
Unit Cell:
Length (Å)Angle (°)
a = 72.306α = 90.00
b = 102.030β = 90.00
c = 198.892γ = 90.00
Software Package:
Software NamePurpose
Aimlessdata scaling
XDSdata reduction
PHENIXrefinement
PHASERphasing

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2017-11-01
    Type: Initial release
  • Version 1.1: 2017-11-15
    Type: Database references