3CFB

High-resolution structure of blue fluorescent antibody EP2-19G2 in complex with stilbene hapten at 100K


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.60 Å
  • R-Value Free: 0.218 
  • R-Value Work: 0.186 
  • R-Value Observed: 0.187 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history


Literature

Deeply inverted electron-hole recombination in a luminescent antibody-stilbene complex.

Debler, E.W.Kaufmann, G.F.Meijler, M.M.Heine, A.Mee, J.M.Pljevaljcic, G.Di Bilio, A.J.Schultz, P.G.Millar, D.P.Janda, K.D.Wilson, I.A.Gray, H.B.Lerner, R.A.

(2008) Science 319: 1232-1235

  • DOI: 10.1126/science.1153445
  • Structures With Same Primary Citation

  • PubMed Abstract: 
  • The blue-emissive antibody EP2-19G2 that has been elicited against trans-stilbene has unprecedented ability to produce bright luminescence and has been used as a biosensor in various applications. We show that the prolonged luminescence is not stilbe ...

    The blue-emissive antibody EP2-19G2 that has been elicited against trans-stilbene has unprecedented ability to produce bright luminescence and has been used as a biosensor in various applications. We show that the prolonged luminescence is not stilbene fluorescence. Instead, the emissive species is a charge-transfer excited complex of an anionic stilbene and a cationic, parallel pi-stacked tryptophan. Upon charge recombination, this complex generates exceptionally bright blue light. Complex formation is enabled by a deeply penetrating ligand-binding pocket, which in turn results from a noncanonical interface between the two variable domains of the antibody.


    Organizational Affiliation

    Department of Molecular Biology, Scripps Research Institute, La Jolla, CA 92037, USA.



Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
BLUE FLUORESCENT ANTIBODY EP2-19G2-KAPPA LIGHT CHAINA, L219Mus musculusMutation(s): 0 
Protein Feature View
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  • Reference Sequence

Find similar proteins by: Sequence  |  Structure

Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
BLUE FLUORESCENT ANTIBODY EP2-19G2-IGG2B HEAVY CHAINB, H213Mus musculusMutation(s): 0 
Protein Feature View
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  • Reference Sequence
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
SPB
Query on SPB

Download CCD File 
B, L
4-(4-STYRYL-PHENYLCARBAMOYL)-BUTYRIC ACID
C19 H19 N O3
FTXJWRRYLLRFMG-MDZDMXLPSA-N
 Ligand Interaction
GOL
Query on GOL

Download CCD File 
A, H, L
GLYCEROL
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.60 Å
  • R-Value Free: 0.218 
  • R-Value Work: 0.186 
  • R-Value Observed: 0.187 
  • Space Group: C 1 2 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 194.707α = 90
b = 61.015β = 116.65
c = 92.246γ = 90
Software Package:
Software NamePurpose
PHASERphasing
REFMACrefinement
HKL-2000data reduction
HKL-2000data scaling

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2008-03-18
    Type: Initial release
  • Version 1.1: 2011-07-13
    Changes: Advisory, Version format compliance