Table A4.
Product ion data for unidentified peptide fragments. Masses are given in Dalton rounded to the nearest integer. Leucine and isoleucine cannot be distinguished from the LC-MS/MS data.
| Compound | [M + H]+ m/z | RT min | Amino Acid Sequence | Xn | Xn+1 |
|---|---|---|---|---|---|
| PEP 535 | 535.4 | 6.7 | Xn-Leu | 404 | |
| PEP 539 | 539.4 | 9.4 | Xn-Leu | 408 | |
| PEP 541 | 541.4 | 5 | Xn-Phe | 376 | |
| PEP 565 | 565.5 | 5 | Xn-MeLeu | 420 | |
| PEP 581 | 581.5 | 5.8 | Xn-Tyr | 400 | |
| PEP 593 | 593.5 | 6.1 | Xn-Met-MeLeu | 317 | 448 |
| PEP 756 | 756.6 | 6.8 | Xn-Tyr-Tyr | 412 | 575 |
| PEP 593 | 593.5 | 6.8 | Xn-Tyr | 412 | |
| PEP 594 | 594.4 | 5.2 | Xn -Thr-Leu | 362 | 463 |
| PEP 712 | 712.6 | 5.4 | Xn-MeLeu-Tyr | 404 | 531 |
| PEP 714 | 714.6 | 5.2 | Xn-MeLeu-Tyr | 406 | 533 |
| PEP 728 | 728.6 | 5.4 | Xn-MeLeu-Tyr | 420 | 547 |
| PEP 740 | 740.7 | 8.4 | Xn-MeLeu-Tyr | 432 | 559 |
| PEP 742 | 742.6 | 5.5 | Xn-Met | 593 | |
| PEP 744 | 744.5 | 5 | Xn-MeLeu | 599 | |
| PEP 714 | 714.6 | 5.5 | Xn-MeLeu-Tyr | 406 | 533 |
| PEP 728 | 728.6 | 5.7 | Xn-MeLeu-Tyr | 420 | 547 |