3P0V

anti-EGFR/HER3 Fab DL11 alone


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.85 Å
  • R-Value Free: 0.280 
  • R-Value Work: 0.227 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history

Literature

A two-in-one antibody against HER3 and EGFR has superior inhibitory activity compared with monospecific antibodies.

Schaefer, G.Haber, L.Crocker, L.M.Shia, S.Shao, L.Dowbenko, D.Totpal, K.Wong, A.Lee, C.V.Stawicki, S.Clark, R.Fields, C.Lewis Phillips, G.D.Prell, R.A.Danilenko, D.M.Franke, Y.Stephan, J.P.Hwang, J.Wu, Y.Bostrom, J.Sliwkowski, M.X.Fuh, G.Eigenbrot, C.

(2011) Cancer Cell 20: 472-486

  • DOI: 10.1016/j.ccr.2011.09.003
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 
  • Extensive crosstalk among ErbB/HER receptors suggests that blocking signaling from more than one family member may be essential to effectively treat cancer and limit drug resistance. We generated a conventional IgG molecule MEHD7945A with dual HER3/E ...

    Extensive crosstalk among ErbB/HER receptors suggests that blocking signaling from more than one family member may be essential to effectively treat cancer and limit drug resistance. We generated a conventional IgG molecule MEHD7945A with dual HER3/EGFR specificity by phage display engineering and used structural and mutational studies to understand how a single antigen recognition surface binds two epitopes with high affinity. As a human IgG1, MEHD7945A exhibited dual action by inhibiting EGFR- and HER3-mediated signaling in vitro and in vivo and the ability to engage immune effector functions. Compared with monospecific anti-HER antibodies, MEHD7945A was more broadly efficacious in multiple tumor models, showing that combined inhibition of EGFR and HER3 with a single antibody is beneficial.


    Organizational Affiliation

    Department of Research Oncology, Genentech, Inc, South San Francisco, CA 94080, USA.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Fab DL11 light chain
L, M
214N/A
Protein Feature View is not available: No corresponding UniProt sequence found.
Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
Fab DL11 heavy chain
H, I
228N/A
Protein Feature View is not available: No corresponding UniProt sequence found.
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
CA
Query on CA

Download SDF File 
Download CCD File 
H, I
CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.85 Å
  • R-Value Free: 0.280 
  • R-Value Work: 0.227 
  • Space Group: P 1 21 1
Unit Cell:
Length (Å)Angle (°)
a = 71.375α = 90.00
b = 77.168β = 99.53
c = 82.664γ = 90.00
Software Package:
Software NamePurpose
REFMACrefinement
SCALEPACKdata scaling
HKL-2000data reduction
PHASERphasing
BOSdata collection

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2011-10-19
    Type: Initial release
  • Version 1.1: 2012-03-21
    Type: Database references