Table 1.
Norovirus VP1 | Peptide | Start-End | Charge | Light m/z |
Heavy m/z |
Fragment Ions Analyzed | LLOD * (fmol) | LLOQ ** (fmol) | ULOQ *** (pmol) | CV of Light Peptide in the Linearity Range (%) |
---|---|---|---|---|---|---|---|---|---|---|
GI.1_M87661/ Norwalk/68/US |
TLDPIEVPLEDVR | 154–166 | 2 | 748.404 | 753.408 | y10+, y8+, y6+, y2+ | <0.19 | 780 | >100 | 23.19 |
TGGGTGDSFVVAGR | 192–205 | 2 | 640.815 | 645.819 | y9+, y7+, y4+, y3+ | <0.19 | 3.05 | 25 | 23.92 | |
LVGTTPVSLSHVAK | 276–289 | 3 | 470.277 | 472.948 | y9+, y8+, y7+, y2+ | <0.19 | 6.1 | 12.5 | 23.09 | |
GII.2_X81879/ Melksham |
VFGVISQR | 332–339 | 2 | 453.264 | 458.268 | y6+, y4+, y3+, b3+ | <0.19 | 3.05 | 12.5 | 23.10 |
YAGALNLNTNLAPSVAPVFPGER | 410–432 | 2 | 1186.124 | 1191.128 | y12+, y11+, y7+, y4+ | <0.19 | 780 | 12.5 | 6.97 | |
GII.3_U02030/ Tronto |
VFGVASQR | 343–340 | 2 | 432.240 | 437.244 | y6+, y4+, b2+, b3+ | <0.19 | 3.05 | 3.13 | 23.15 |
SQLPSSGGR | 443–451 | 2 | 444.730 | 449.734 | y7+, y6+, y2+, b2+ | N.D. | N.D. | N.D. | N.D. | |
NGDSPITVPPNGYFR | 510–524 | 2 | 817.402 | 822.406 | y11+, y9+, y7+, b2+ | <0.19 | 1.53 | 50 | 19.38 | |
GII.4_X76716/ Bristol |
NNFYHYNQANDSTLK | 163–177 | 3 | 610.280 | 612.951 | y7+, y6+, y4+, b2+ | <0.19 | 6.1 | 6.25 | 23.05 |
ANNAGDDVFTVSCR | 188–201 | 2 | 763.339 | 768.343 | y10+, y6+, y3+, b2+ | <0.19 | 6.1 | >100 | 21.92 | |
GII.6_AJ277620/ Seacroft/90/UK |
GTLISQTAR | 287–295 | 2 | 473.769 | 478.774 | y7+, y6+, y5+, y1+ | <0.19 | 1.53 | 6.25 | 15.95 |
NHPLHVQVK | 307–315 | 3 | 357.873 | 360.545 | y5+, y4+, y1+, b2+ | N.D. | N.D. | N.D. | N.D. | |
LGTILIK | 380–386 | 2 | 379.263 | 383.270 | y2+, y1+, b3+, b22+ | <0.19 | 3.05 | 0.39 | 19.53 | |
GII.17_AY502009/ CS-E1/2002/US |
NVGSNPNTTR | 340–349 | 2 | 530.263 | 535.267 | y8+, y5+, y1+, b2+ | N.D. | N.D. | N.D. | N.D. |
FTPVGIK | 387–393 | 2 | 381.231 | 385.239 | y5+, y3+, y1+, b2+ | <0.19 | 6.1 | 12.5 | 19.65 |
*, Lower limit of detection; **, Lower limit of quantification; ***, Upper limit of quantification; N.D., not determined.