4N63

Crystal structure of hemagglutinin from an H7N9 influenza virus in complex with an O-linked glycan receptor


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.7522 Å
  • R-Value Free: 0.269 
  • R-Value Work: 0.213 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history

Literature

Preferential recognition of avian-like receptors in human influenza A H7N9 viruses.

Xu, R.de Vries, R.P.Zhu, X.Nycholat, C.M.McBride, R.Yu, W.Paulson, J.C.Wilson, I.A.

(2013) Science 342: 1230-1235

  • DOI: 10.1126/science.1243761
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 
  • The 2013 outbreak of avian-origin H7N9 influenza in eastern China has raised concerns about its ability to transmit in the human population. The hemagglutinin glycoprotein of most human H7N9 viruses carries Leu(226), a residue linked to adaptation of ...

    The 2013 outbreak of avian-origin H7N9 influenza in eastern China has raised concerns about its ability to transmit in the human population. The hemagglutinin glycoprotein of most human H7N9 viruses carries Leu(226), a residue linked to adaptation of H2N2 and H3N2 pandemic viruses to human receptors. However, glycan array analysis of the H7 hemagglutinin reveals negligible binding to humanlike α2-6-linked receptors and strong preference for a subset of avian-like α2-3-linked glycans recognized by all avian H7 viruses. Crystal structures of H7N9 hemagglutinin and six hemagglutinin-glycan complexes have elucidated the structural basis for preferential recognition of avian-like receptors. These findings suggest that the current human H7N9 viruses are poorly adapted for efficient human-to-human transmission.


    Organizational Affiliation

    Department of Integrative Structural and Computational Biology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Hemagglutinin HA1
A, C
321Influenza A virusMutation(s): 0 
Gene Names: HA
Find proteins for R4NN21 (Influenza A virus)
Go to UniProtKB:  R4NN21
Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
Hemagglutinin HA2
B, D
183Influenza A virusMutation(s): 0 
Gene Names: HA
Find proteins for R4NN21 (Influenza A virus)
Go to UniProtKB:  R4NN21
Small Molecules
Ligands 4 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
GAL
Query on GAL

Download SDF File 
Download CCD File 
A, C
BETA-D-GALACTOSE
C6 H12 O6
WQZGKKKJIJFFOK-FPRJBGLDSA-N
 Ligand Interaction
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
NGA
Query on NGA

Download SDF File 
Download CCD File 
A, C
N-ACETYL-D-GALACTOSAMINE
C8 H15 N O6
OVRNDRQMDRJTHS-JAJWTYFOSA-N
 Ligand Interaction
SIA
Query on SIA

Download SDF File 
Download CCD File 
A, C
O-SIALIC ACID
C11 H19 N O9
SQVRNKJHWKZAKO-YRMXFSIDSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.7522 Å
  • R-Value Free: 0.269 
  • R-Value Work: 0.213 
  • Space Group: P 21 3
Unit Cell:
Length (Å)Angle (°)
a = 153.608α = 90.00
b = 153.608β = 90.00
c = 153.608γ = 90.00
Software Package:
Software NamePurpose
DENZOdata reduction
Blu-Icedata collection
PHASERphasing
PHENIXrefinement
PDB_EXTRACTdata extraction
SCALEPACKdata scaling

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

  • Deposited Date: 2013-10-11 
  • Released Date: 2013-12-18 
  • Deposition Author(s): Xu, R., Wilson, I.A.

Revision History 

  • Version 1.0: 2013-12-18
    Type: Initial release
  • Version 1.1: 2017-11-15
    Type: Refinement description