A new scheme for rapid epitope mapping of the recognition sequence of antigens, receptor lingands, etc. has been devised, involving four steps. Step 1. Rapid digestion of a protein with one or several proteases. Step 2. Immunoprecipitation of the fragments with, for example, a monoclonal antibody, receptor, etc. against the protein antigen. Step 3. Matrix-assisted laser desorption mass spectrometric determination of the peptide(s) that associate with the antibody, receptor, etc. Step 4. Determination of the precise linear epitope with synthetic peptide ladders. Affinity mass spectrometry was used to determine epitopes for Anti-melittin, anti-GLP- 17-3 7 and antihbFGF monoclonal antibodies. A paper describing the technique was published in Proc Natl Acad Sciences USA 93 (1996) 4020-4024

Agency
National Institute of Health (NIH)
Institute
National Center for Research Resources (NCRR)
Type
Biotechnology Resource Grants (P41)
Project #
5P41RR000862-27
Application #
6307585
Study Section
Project Start
1999-12-01
Project End
2000-11-30
Budget Start
1998-10-01
Budget End
1999-09-30
Support Year
27
Fiscal Year
2000
Total Cost
$8,199
Indirect Cost
Name
Rockefeller University
Department
Type
DUNS #
071037113
City
New York
State
NY
Country
United States
Zip Code
10065
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