Protein Engineering, Vol 10, 175-180, Copyright © 1997 by Oxford University Press
B Vulliez-le Normand, FA Saul, P Martineau, F Lema, M Hofnung and GA Bentley
Five hybrid constructions of maltodextrin-binding protein (MBP), each
containing an inserted epitope(s) from the preS2 region of the envelope
proteins of hepatitis B virus (HBV), have been expressed. The anti- preS2
monoclonal antibody S2.3 was shown to cross-react with the MBP hybrid
constructions, demonstrating that the epitopes presented by these
recombinant proteins mimic the antigenic behaviour of the native viral
antigen. In addition, all five hybrid proteins have been crystallized.
Preliminary structural solutions obtained by molecular replacement indicate
that the native conformation of MBP is preserved in the hybrid
constructions despite the significant length of the epitope insertions.
ARTICLES
Maltodextrin-binding protein hybrids carrying epitopes from the preS2 region of hepatitis B virus: expression, antibody-binding and preliminary crystallographic studies
Unite d'Immunologie Structurale, Institut Pasteur, Paris, France.
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