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| Content Provider | PubMed Central |
|---|---|
| Author | Moudallal, Z. Al Briand, J. P. Van, Regenmortel M. H. V. |
| Abstract | Eighteen synthetic peptides representing virtually the entire length of the polypeptide chain of tobacco mosaic virus coat protein (TMVP) have been analyzed for their ability to bind in an enzyme immunoassay to 30 monoclonal antibodies raised against the dissociated viral subunits. Only five of the monoclonal antibodies were able to bind a number of peptides while the other 25 antibodies recognized only the complete molecule and seemed to be specific for conformational features that are absent in the peptide fragments. The 18 peptides were also tested for their ability to bind to several antisera to TMVP. Virtually the entire sequence of TMVP possessed antigenic activity. Four new epitopes were identified in the vicinity of residues 19–32, 90–95, 115–134 and 134–146. These results bring to 11 the number of continuous epitopes that have been identified in the TMVP molecule and show that the entire surface of the molecule is antigenic. When peptides of TMVP of a length of 6–8 residues were tested for antigenic activity previously a correlation was found between the location of short continuous epitopes and mobile segments of the protein. In the present study, in which longer peptides as well as monoclonal antibodies were used to probe the antigenicity of TMVP, additional conformation-dependent epitopes were shown to be present. Our results illustrate the operational nature of any definition of antigenicity and caution against the use of any single criterion for distinguishing between antigenic and non-antigenic regions of a protein. |
| Starting Page | 1231 |
| File Format | |
| ISSN | 14602075 |
| e-ISSN | 14602075 |
| Journal | The EMBO Journal |
| Issue Number | 5 |
| Volume Number | 4 |
| Language | English |
| Publisher Date | 1985-05-01 |
| Access Restriction | Open |
| Subject Keyword | Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Neuroscience Immunology and Microbiology Medicine Molecular Biology |
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