IQUIR   05412
INSTITUTO DE QUIMICA ROSARIO
Unidad Ejecutora - UE
artículos
Título:
Evaluation and comparison of the ability of online available prediction programs to predict true linear B-cell epitopes
Autor/es:
COSTA GABRIEL; FACCENDINI PABLO; SFERCO SILVANO; LAGIER CLAUDIA; MARCIPAR IVÁN
Revista:
PROTEIN AND PEPTIDE LETTERS
Editorial:
BENTHAM SCIENCE PUBL LTD
Referencias:
Lugar: Oak Park; Año: 2012
ISSN:
0929-8665
Resumen:
This work deals with the use of predictors to identify useful B-cell linear epitopes to
develop immunoassays. Experimental techniques to meet this goal are quite expensive and
time consuming. Therefore, we tested 5 free, online prediction methods (AAPPred,
ABCpred, BcePred, BepiPred and Antigenic) widely used for predicting linear epitopes,
using the primary structure of the protein as the only input. We chose a set of 65
experimentally well documented epitopes obtained by the most reliable experimental
techniques as our true positive set. To compare the quality of the predictor methods we
used their positive predictive value (PPV), i.e. the proportion of the predicted epitopes that
are true, experimentally confirmed epitopes, in relation to all the epitopes predicted. We
conclude that AAPPred and ABCpred yield the best results, as compared with the other
programs and with a random prediction procedure. Our results also indicate that
considering the consensual epitopes predicted by several programs does not improve thePPV), i.e. the proportion of the predicted epitopes that
are true, experimentally confirmed epitopes, in relation to all the epitopes predicted. We
conclude that AAPPred and ABCpred yield the best results, as compared with the other
programs and with a random prediction procedure. Our results also indicate that
considering the consensual epitopes predicted by several programs does not improve the
PPV..