Identification of the precise amino acid sequence of the...

C - Chemistry – Metallurgy – 07 – K

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C07K 14/155 (2006.01) A61K 38/16 (2006.01) A61K 39/21 (2006.01) A61P 31/18 (2006.01) C07K 7/08 (2006.01) G01N 33/569 (2006.01)

Patent

CA 2562385

The IgG1b12 human monoclonal antibody binds gp120 strongly, and is the most potent HIV neutralizing antibody known. The exact amino acid sequence of this binding site is not known. We identified the minimal parts of the HIV-1 gp120 (envelope) protein, which IgG1b12 binds to. We did this by quadrupole time of flight (QqTOF) mass spectrometry using epitope excision. Epitope excision allows for determination of conformational epitopes. To do this we bound gp120 to IgG1b12, digested off all unbound portions of gp120, and then ran mass spectrometry of the resulting IgG1b12-gp120 peptide complex. The results allow us to determine the exact amino acid sequence involved in IgG1b12-gp120 interaction.

La présente invention a trait à l'anticorps monoclonal humain IgG1b12 de forte liaison à la gp120, constituant l'anticorps le plus puissant connu de neutralisation du VIH. La séquence exacte d'acides aminés de ce site de liaison n'est pas connue. On a identifié les parties minimales de la protéine d'enveloppe gp 120 du VIH 1, auxquelles se lie l'anticorps IgG1b12. Cela a été réalisé par la spectrométrie de masse de temps de vol quadrupolaire (QqTOF) par mise en oeuvre de l'excision d'épitopes. L'excision d'épitopes permet la détermination d'épitopes conformationnels. A cet effet, on a réalisé la liaison de la gp120 à l'anticorps IgG1b12, la digestion de toutes les portions non liée de gp120, suivie de l'exécution de la spectrométrie de masse du complexe peptidique IgG1b12-gp120 obtenu. Les résultats ont permis la détermination de la séquence exacte d'acides aminés impliquée dans l'interaction IgG1b12-gp120.

LandOfFree

Say what you really think

Search LandOfFree.com for Canadian inventors and patents. Rate them and share your experience with other people.

Rating

Identification of the precise amino acid sequence of the... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Identification of the precise amino acid sequence of the..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Identification of the precise amino acid sequence of the... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFCA-PAI-O-1984807

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.