Table 4.
Fragment ions of the 9KSTGGKAPR17 peptide from histone H3 isolated from stationary phase Saccharomyces cerevisiae.
| Order | b ion (m/z) | b0 ion (m/z) | Sequence | y ion (m/z) | y0 ion (m/z) | Order |
|---|---|---|---|---|---|---|
| 1 | 129.1022 | K | 9 | |||
| 2 | 216.1343 | 198.1237 | S | 773.4264* | 755.4159 | 8 |
| 3 | 317.1819 | 299.1714 | T | 686.3944* | 668.3838 | 7 |
| 4 | 374.2034 | 356.1928 | G | 585.3467 | 6 | |
| 5 | 431.2249* | 413.2143* | G | 528.3253* | 5 | |
| 6 | 559.3198 | 541.3093* | K | 471.3038 | 4 | |
| 7 | 630.3570* | 612.3464* | A | 343.2088 | 3 | |
| 8 | 727.4097* | 709.3991 | P | 272.1717 | 2 | |
| 9 | R | 175.1190 | 1 |
The list of product ions observed (underlined), matched with Mascot to the SWISS-PROT database (asterisk superscript), or predicted following CID fragmentation is shown.