5EA0

Structure of the antibody 7968 with human complement factor H-derived peptide


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.00 Å
  • R-Value Free: 0.275 
  • R-Value Work: 0.196 
  • R-Value Observed: 0.202 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history


Literature

A Therapeutic Antibody for Cancer, Derived from Single Human B Cells.

Bushey, R.T.Moody, M.A.Nicely, N.L.Haynes, B.F.Alam, S.M.Keir, S.T.Bentley, R.C.Roy Choudhury, K.Gottlin, E.B.Campa, M.J.Liao, H.X.Patz, E.F.

(2016) Cell Rep 15: 1505-1513

  • DOI: 10.1016/j.celrep.2016.04.038
  • Structures With Same Primary Citation

  • PubMed Abstract: 
  • Some patients with cancer never develop metastasis, and their host response might provide cues for innovative treatment strategies. We previously reported an association between autoantibodies against complement factor H (CFH) and early-stage lung ca ...

    Some patients with cancer never develop metastasis, and their host response might provide cues for innovative treatment strategies. We previously reported an association between autoantibodies against complement factor H (CFH) and early-stage lung cancer. CFH prevents complement-mediated cytotoxicity (CDC) by inhibiting formation of cell-lytic membrane attack complexes on self-surfaces. In an effort to translate these findings into a biologic therapy for cancer, we isolated and expressed DNA sequences encoding high-affinity human CFH antibodies directly from single, sorted B cells obtained from patients with the antibody. The co-crystal structure of a CFH antibody-target complex shows a conformational change in the target relative to the native structure. This recombinant CFH antibody causes complement activation and release of anaphylatoxins, promotes CDC of tumor cell lines, and inhibits tumor growth in vivo. The isolation of anti-tumor antibodies derived from single human B cells represents an alternative paradigm in antibody drug discovery.


    Organizational Affiliation

    Department of Radiology, Duke University Medical Center, Durham, NC 27710, USA; Department of Pharmacology and Cancer Biology, Duke University Medical Center, Durham, NC 27710, USA. Electronic address: patz0002@mc.duke.edu.



Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Heavy chain of antibody 7968 Fab fragmentH224Homo sapiensMutation(s): 0 
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  • Reference Sequence

Find similar proteins by: Sequence  |  Structure

Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
Light chain of antibody 7968 Fab fragmentL220Homo sapiensMutation(s): 0 
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  • Find similar proteins by: Sequence   |   Structure
Entity ID: 3
MoleculeChainsSequence LengthOrganismDetails
Complement factor H-related protein 2P15Homo sapiensMutation(s): 2 
Gene Names: CFHR2CFHL2FHR2HFL3
Find proteins for P36980 (Homo sapiens)
Explore P36980 
Go to UniProtKB:  P36980
NIH Common Fund Data Resources
PHAROS  P36980
Protein Feature View
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  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.00 Å
  • R-Value Free: 0.275 
  • R-Value Work: 0.196 
  • R-Value Observed: 0.202 
  • Space Group: P 1 21 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 51.28α = 90
b = 65.547β = 106.37
c = 71.267γ = 90
Software Package:
Software NamePurpose
PHENIXrefinement
HKL-2000data reduction
HKL-2000data scaling
PHENIXphasing

Structure Validation

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Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2016-05-25
    Type: Initial release
  • Version 1.1: 2016-06-01
    Changes: Database references