Table 3.
Fragment ions of the 9KSTGGKAPR17 peptide from histone H3 isolated from exponential phase Saccharomyces cerevisiae.
| Order | b ion (m/z) | Sequence | y ion (m/z) | Order |
|---|---|---|---|---|
| 1 | 171.1128 | K | 9 | |
| 2 | 258.1448 | S | 815.4370* | 8 |
| 3 | 359.1925 | T | 728.4050* | 7 |
| 4 | 416.2140 | G | 627.3573* | 6 |
| 5 | 473.2354 | G | 570.3358* | 5 |
| 6 | 643.3410 | K | 513.3144* | 4 |
| 7 | 714.3781 | A | 343.2088 | 3 |
| 8 | 811.4308 | 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.