1UCB

STRUCTURE OF UNCOMPLEXED FAB COMPARED TO COMPLEX (1CLY, 1CLZ)


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.50 Å
  • R-Value Free: 0.276 
  • R-Value Work: 0.200 
  • R-Value Observed: 0.200 

wwPDB Validation   3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

X-ray structure of the uncomplexed anti-tumor antibody BR96 and comparison with its antigen-bound form.

Sheriff, S.Chang, C.Y.Jeffrey, P.D.Bajorath, J.

(1996) J Mol Biol 259: 938-946

  • DOI: 10.1006/jmbi.1996.0371
  • Primary Citation of Related Structures:  
    1UCB

  • PubMed Abstract: 
  • The X-ray structure of the uncomplexed human chimeric Fab' of the anti-tumor antibody BR96 has been determined at 2.6 A resolution. The structure has been compared with Lewis Y antigen-complexed structures of BR96 which were determined previously. The co ...

    The X-ray structure of the uncomplexed human chimeric Fab' of the anti-tumor antibody BR96 has been determined at 2.6 A resolution. The structure has been compared with Lewis Y antigen-complexed structures of BR96 which were determined previously. The comparison reveals segmental motions and/or conformational rearrangements of three CDR loops (L1, L3, and H2), whereas CDR H3 does not undergo changes upon complexation despite its significant main-chain contacts to the carbohydrate antigen. In light of the uncomplexed chimeric Fab' structure reported here, the previously observed high mobility of the CL:CH1 domains of the complexed chimeric BR96 Fab is rationalized as a "swinging" motion approximately about the axis of the elbow bend.


    Related Citations: 
    • Crystallization and Preliminary X-Ray Analysis of the Monoclonal Anti-Tumor Antibody Br96 and its Complex with the Lewis Y Determinant
      Chang, C.Y., Jeffrey, P.D., Bajorath, J., Hellstrom, I., Hellstrom, K.E., Sheriff, S.
      (1994) J Mol Biol 235: 372

    Organizational Affiliation

    Bristol-Myers Squibb Pharmaceutical Research Institute, Princeton, NJ 08543-4000, USA.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
CHIMERIC HUMAN/MOUSE IGG FAB FRAGMENT BR96 L219Homo sapiensMutation(s): 0 
Gene Names: IGKC
Find proteins for P01834 (Homo sapiens)
Explore P01834 
Go to UniProtKB:  P01834
NIH Common Fund Data Resources
PHAROS:  P01834
Protein Feature View
Expand
  • Reference Sequence
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 2
MoleculeChainsSequence LengthOrganismDetailsImage
CHIMERIC HUMAN/MOUSE IGG FAB FRAGMENT BR96 H219Homo sapiensMutation(s): 0 
Protein Feature View
Expand
  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
SO4
Query on SO4

Download Ideal Coordinates CCD File 
L
SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.50 Å
  • R-Value Free: 0.276 
  • R-Value Work: 0.200 
  • R-Value Observed: 0.200 
  • Space Group: P 21 21 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 61.1α = 90
b = 174.3β = 90
c = 45.6γ = 90
Software Package:
Software NamePurpose
XDSdata scaling
XSCALEdata scaling
BRUTEmodel building
MERLOTphasing
X-PLORrefinement
XDSdata reduction
BRUTEphasing

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 1997-03-12
    Type: Initial release
  • Version 1.1: 2008-03-24
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance