From: High level in vivo mucin-type glycosylation in Escherichia coli
Peptide description | Peptide sequence | Retention time [min] | m/z measured | [M + H]+theor | Charge state | Δm [ppm] | GalNAc moieties | Relative abundance [%] |
---|---|---|---|---|---|---|---|---|
1 | YTMAPTT | 16.93 | 784.355 | 784.355 | + 1 | − 0.98 | 0 | 88.21 |
18.54 | 987.434 | 987.434 | + 1 | 0.61 | 1 | 11.80 | ||
2/3/4/7/8 | DSTTPAPTTKPTT | 11.65 | 1317.653 | 1317.653 | + 1 | 0.62 | 0 | 27.64 |
10.68 | 1520.733 | 1520.733 | + 1 | − 0.40 | 1 | 40.35 | ||
9.14 | 1723.812 | 1723.812 | + 1 | 0.31 | 2 | 25.10 | ||
10.83 | 1723.812 | 1723.812 | + 1 | − 0.32 | 2 | 4.34 | ||
10.47 | 1926.891 | 1926.891 | + 1 | − 0.18 | 3 | 2.22 | ||
10.03 | 1065.489 | 2129.971 | + 2 | − 0.37 | 4 | 0.36 | ||
5/6 | DSTTPAPTNKPTT | 10.42 | 1330.649 | 1330.649 | + 1 | 0.23 | 0 | 21.00 |
9.82 | 1533.728 | 1533.728 | + 1 | 0.39 | 1 | 36.34 | ||
8.38 | 1736.807 | 1736.807 | + 1 | 0.13 | 2 | 27.71 | ||
9.98 | 1736.807 | 1736.807 | + 1 | − 0.07 | 2 | 12.00 | ||
8.00 | 1939.887 | 1939.887 | + 1 | − 0.01 | 3 | 2.45 | ||
9.93 | 1939.887 | 1939.887 | + 1 | − 0.96 | 3 | 0.43 | ||
9.47 | 1071.987 | 2142.966 | + 2 | − 0.14 | 4 | 0.07 | ||
9 | DSTTPAPTTKNNNNNNNNGGLVPRGSGGGSGHHHHHHHHHH | n.d. |  | 4339.9583 |  | – | 0 | 0 |