TABLE 1.
Epitope | Sequence | Mol wt | No. of amino acids | IC50 (nM) |
||||
---|---|---|---|---|---|---|---|---|
BIMAS | SYFPEITHI | MAPPP | MHCPred | HLA-A*201 | ||||
VP13/14286–294 | FLADAVVRL | 1003.2 | 9 | 926.658 | 30 | ND | 0.41 | 5.6 |
VP13/14374–382 | ALLDRDCRV | 1060.2 | 9 | 1055.1 | 25 | 0.7512 | 0.27 | 52 |
VP13/14410–418 | VLTREAAFL | 1019.2 | 9 | 199.738 | 22 | ND | 0.43 | |
VP13/14417–425 | FLGRVLDVL | 1131.2 | 9 | 45.406 | 25 | ND | 0.38 | |
VP13/14464–472 | ALPLGSPAV | 823.9 | 9 | 69.552 | 26 | 0.5393 | 0.26 | |
VP13/14497–505 | VLGAAVYAL | 876.0 | 9 | 83.527 | 27 | 0.5307 | 0.45 | 100 |
VP13/14504–512 | ALHTALATV | 896.0 | 9 | 159.97 | 30 | 0.6459 | 0.20 | 16 |
VP13/14544–552 | RLLGFADTV | 991.1 | 9 | 479.172 | 27 | 0.6928 | 0.24 | 27 |
VP13/14545–553 | LLGFADTVV | 934.1 | 9 | 48.478 | 21 | ND | 0.18 | |
VP13/14657–665 | IMSQFRKLL | 1,135.4 | 9 | 99.667 | 20 | 0.9931 | 0.42 |
The sequence of the HSV-1 tegument protein VP13/14 was submitted to screening for potential HLA-A*0201 epitopes using several computer algorithms. The 10 potential epitopes were selected on the basis of the HLA-A*0201-binding amino acid motifs. The predicted IC50s were calculated by use of the (i) BIMAS (http://www-bimas.cit.nih.gov/molbio/hla_bind) (ii) SYFPEITHI (http://www.syfpeithi.de/), (iii) MAPPP (http://www.mpiib-berlin.mpg.de/MAPPP), and (iv) MHCPred predictive computational algorithms, as described in Materials and Methods. The sequences of the peptide epitopes are based on the sequences of VP13/14 from HSV-1 strain 17. Sequences in bold are immunodominant epitopes from asymptomatic individuals. ND, not determined.