6E9H

The crystal structure of bovine ultralong antibody BOV-3


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.00 Å
  • R-Value Free: 0.256 
  • R-Value Work: 0.217 
  • R-Value Observed: 0.219 

wwPDB Validation 3D Report Full Report



Literature

Structural Diversity of Ultralong CDRH3s in Seven Bovine Antibody Heavy Chains.

Dong, J.Finn, J.A.Larsen, P.A.Smith, T.P.L.Crowe Jr., J.E.

(2019) Front Immunol 10: 558-558

  • DOI: 10.3389/fimmu.2019.00558
  • Structures With Same Primary Citation

  • PubMed Abstract: 
  • Antigen recognition by mammalian antibodies represents the most diverse setting for protein-protein interactions, because antibody variable regions contain exceptionally diverse variable gene repertoires of DNA sequences containing combinatorial, non ...

    Antigen recognition by mammalian antibodies represents the most diverse setting for protein-protein interactions, because antibody variable regions contain exceptionally diverse variable gene repertoires of DNA sequences containing combinatorial, non-templated junctional mutational diversity. Some animals use additional strategies to achieve structural complexity in the antibody combining site, and one of the most interesting of these is the formation of ultralong heavy chain complementarity determining region 3 loops in cattle. Repertoire sequencing studies of bovine antibody heavy chain variable sequences revealed that bovine antibodies can contain heavy chain complementarity determining region 3 (CDRH3) loops with 60 or more amino acids, with complex structures stabilized by multiple disulfide bonds. It is clear that bovine antibodies can achieve long, peculiarly structured CDR3s, but the range of diversity and complexity of those structures is poorly understood. We determined the atomic resolution structure of seven ultralong bovine CDRH3 loops. The studies, combined with five previous structures, reveal a large diversity of cysteine pairing variations, and highly diverse globular domains.


    Organizational Affiliation

    Department of Pediatrics, Vanderbilt University Medical Center, Nashville, TN, United States.



Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Bovine ultralong antibody BOV-3 heavy chainA276Bos taurusMutation(s): 0 
Protein Feature View
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  • Reference Sequence

Find similar proteins by: Sequence  |  Structure

Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
Bovine ultralong antibody BOV-3 light chainB216Bos taurusMutation(s): 0 
Gene Names: IGL@
Find proteins for Q3T101 (Bos taurus)
Explore Q3T101 
Go to UniProtKB:  Q3T101
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: 0.256 
  • R-Value Work: 0.217 
  • R-Value Observed: 0.219 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 51.247α = 90
b = 71.219β = 90
c = 119.789γ = 90
Software Package:
Software NamePurpose
PHENIXrefinement
XDSdata reduction
SCALAdata scaling
PHASERphasing

Structure Validation

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Entry History 

Deposition Data

  • Deposited Date: 2018-08-01 
  • Released Date: 2019-05-01 
  • Deposition Author(s): Dong, J., Crowe, J.E.

Revision History 

  • Version 1.0: 2019-05-01
    Type: Initial release