5JW5

Structure of MEDI8852 Fab Fragment


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.9 Å
  • R-Value Free: 0.217 
  • R-Value Work: 0.187 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

Structure and Function Analysis of an Antibody Recognizing All Influenza A Subtypes.

Kallewaard, N.L.Corti, D.Collins, P.J.Neu, U.McAuliffe, J.M.Benjamin, E.Wachter-Rosati, L.Palmer-Hill, F.J.Yuan, A.Q.Walker, P.A.Vorlaender, M.K.Bianchi, S.Guarino, B.De Marco, A.Vanzetta, F.Agatic, G.Foglierini, M.Pinna, D.Fernandez-Rodriguez, B.Fruehwirth, A.Silacci, C.Ogrodowicz, R.W.Martin, S.R.Sallusto, F.Suzich, J.A.Lanzavecchia, A.Zhu, Q.Gamblin, S.J.Skehel, J.J.

(2016) Cell 166: 596-608

  • DOI: 10.1016/j.cell.2016.05.073
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 
  • Influenza virus remains a threat because of its ability to evade vaccine-induced immune responses due to antigenic drift. Here, we describe the isolation, evolution, and structure of a broad-spectrum human monoclonal antibody (mAb), MEDI8852, effecti ...

    Influenza virus remains a threat because of its ability to evade vaccine-induced immune responses due to antigenic drift. Here, we describe the isolation, evolution, and structure of a broad-spectrum human monoclonal antibody (mAb), MEDI8852, effectively reacting with all influenza A hemagglutinin (HA) subtypes. MEDI8852 uses the heavy-chain VH6-1 gene and has higher potency and breadth when compared to other anti-stem antibodies. MEDI8852 is effective in mice and ferrets with a therapeutic window superior to that of oseltamivir. Crystallographic analysis of Fab alone or in complex with H5 or H7 HA proteins reveals that MEDI8852 binds through a coordinated movement of CDRs to a highly conserved epitope encompassing a hydrophobic groove in the fusion domain and a large portion of the fusion peptide, distinguishing it from other structurally characterized cross-reactive antibodies. The unprecedented breadth and potency of neutralization by MEDI8852 support its development as immunotherapy for influenza virus-infected humans.


    Organizational Affiliation

    Department of Infectious Disease and Vaccines, MedImmune LLC, One MedImmune Way, Gaithersburg, MD 20878, USA. Electronic address: zhuq@medimmune.com.,Structural Biology Science Technology Platform, Mill Hill Laboratory, Francis Crick Institute, London NW7 1AA, UK.,Institute for Research in Biomedicine, Università della Svizzera italiana, 6500 Bellinzona, Switzerland.,Department of Infectious Disease and Vaccines, MedImmune LLC, One MedImmune Way, Gaithersburg, MD 20878, USA.,Mill Hill Laboratory, The Francis Crick Institute, London NW7 1AA, UK.,Mill Hill Laboratory, The Francis Crick Institute, London NW7 1AA, UK. Electronic address: john.skehel@crick.ac.uk.,Humabs BioMed SA, Via Mirasole 1, 6500 Bellinzona, Switzerland.,Institute for Research in Biomedicine, Università della Svizzera italiana, 6500 Bellinzona, Switzerland; Institute for Microbiology, ETH Zurich, Wolfgang-Pauli-Strasse 10, 8093 Zurich, Switzerland.,Department of Antibody Discovery and Protein Engineering, MedImmune LLC, One MedImmune Way, Gaithersburg, MD 20878, USA.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
MEDI8852 Heavy chain
H, A
227N/AMutation(s): 0 
Protein Feature View is not available: No corresponding UniProt sequence found.
Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
MEDI8852 Light chain
L, B
210N/AMutation(s): 0 
Protein Feature View is not available: No corresponding UniProt sequence found.
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
PO4
Query on PO4

Download SDF File 
Download CCD File 
B, H, L
PHOSPHATE ION
O4 P
NBIIXXVUZAFLBC-UHFFFAOYSA-K
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.9 Å
  • R-Value Free: 0.217 
  • R-Value Work: 0.187 
  • Space Group: P 21 21 21
Unit Cell:
Length (Å)Angle (°)
a = 65.220α = 90.00
b = 109.920β = 90.00
c = 139.890γ = 90.00
Software Package:
Software NamePurpose
XDSdata reduction
PDB_EXTRACTdata extraction
REFMACrefinement
XSCALEdata scaling
PHASERphasing

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2016-08-03
    Type: Initial release
  • Version 1.1: 2016-08-10
    Type: Database references
  • Version 1.2: 2019-04-03
    Type: Data collection, Source and taxonomy