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. 2007 Feb 28;14(5):493–504. doi: 10.1128/CVI.00371-06

TABLE 2.

Precise mapping of the LX1 epitope of the dengue-2 virus NS1 protein with MAbs

Peptide sequence ELISA reaction (A492) to MAba:
1A12.3 3D1.4 4H3.4 3A5.4 1G5.4-A1-C3
RPQPTELRY 0.24 0.07 0.05 0.04 1.15
QPTELRYSW 0.30 0.08 0.07 0.05 1.04
TELRYSWKT 0.42 0.13 0.12 0.13 1.24
LRYSWKTWG 0.19 1.42 1.37 1.70 0.74
YSWKTWGKA 1.73 1.75 0.82 1.29 0.42
WKTWGKAKM 0.79 0.87 0.08 0.20 0.16
TWGKAKMLS 0.03 0.09 0.05 0.01 0.05
GKAKMLSTE 0.02 0.06 0.04 0.01 0.04
AKMLSTELH 0.09 0.07 0.04 0.03 0.25
YSWKTWGK 0.14 1.09 0.70 0.80 0.19
YSWKTWG 0.21 2.49 2.10 1.83 0.16
YSWKTW 0.15 1.92 0.54 1.22 0.18
YSWKT 0.09 0.12 0.09 0.08 0.14
SWKTWGKA 0.47 1.19 0.98 1.05 0.20
WKTWGKA 0.87 0.97 0.36 0.58 0.18
KTWGKA 0.46 0.08 0.09 0.08 0.17
TWGKA 0.11 0.12 0.10 0.09 0.09
a

MAbs, which defined either the LX1 epitope (MAbs 1A12.3, 3D1.4, 4H3.4, and 3A5.4) or multiple ELK/KLE-type motifs (MAb 1G5.4-A1-C3), were diluted to 1/250 to 1/500 and reacted with overlapping synthetic peptides sequentially spanning amino acids 105 to 129 of the D-2V (strains PR159S1 and TR1751) NS1 protein and a set of peptides in which the LX1 epitope (113YSWKTWGKA121) was sequentially truncated. A492 values of >1.00 for each MAb are underlined, and the peak reactions against each overlapping and truncated synthetic peptide set are shown in boldface.