Skip to main content
. 2004 Aug 5;18(18):2020–2030. doi: 10.1002/rcm.1585

Table 2.

MS/MS peaks assignments for the peptide DQCIVDDITYNVNDTFHK from human fibronectin. Corresponding MS/MS spectra are shown in Fig. 4(a) (glycosylated peptide, m/z 3819.582) and the expanded section below m/z 2197 in Fig. 5

Residue b (calc.), u. b (meas.) u. b+83 b+203 y (calc.), u. y (meas.), u. y+83 y+203
D 1 116.035 18 2196.987 2196.991 2280.021 2400.057
Q 2 244.093 244.094 17 2081.960 2081.959
C 3 404.124 404.127 16 1953.902 1953.891
I 4 517.208 517.205 15 1793.871
V 5 616.276 616.284 14 1680.787 1680.787 1883.889
D 6 731.303 731.304 13 1581.719 1581.700 1784.770
D 7 846.330 846.344 12 1466.692 1466.689 1549.721 1669.777
I 8 959.414 959.418 11 1351.665 1351.666 1434.696 1554.747
T 9 1060.462 1060.464 10 1238.581 1238.575 1321.607 1441.652
Y 10 1223.526 1223.545 9 1137.533 1137.525 1220.579 1340.61
N 11 1337.568 1337.556 8 974.470 974.474 1057.495 1177.548
V 12 1436.637 1436.619 7 860.427 860.419 1063.509
N 13 1550.680 1633.737 1753.78 6 761.358 761.364 844.393 964.431
D 14 1665.707 1665.742 1748.749 1868.797 5 647.315 647.322
T 15 1766.755 1766.775 1969.9 4 532.289 532.289
F 16 1913.823 1913.831 3 431.241 431.234
H 17 2050.882 2050.867 2133.942 2254.001 2 284.172 284.165
K 18 2178.977 1 147.113