Table 4.
Unidentified peptides/peptide fragments from isolated Microcystis strains. Leucine and isoleucine cannot be distinguished from LC-MS/MS data. Unidentified amino acids were marked with X.
| Compound | [M + H]+ m/z | RT min | n | n + 1 | n + 2 |
|---|---|---|---|---|---|
| PEP 535 | 535.4 | 6.7 | X | Leu | |
| PEP 539 | 539.4 | 9.4 | X | Leu | |
| PEP 541 | 541.4 | 5 | X | Phe | |
| PEP 565 | 565.5 | 5 | X | MeLeu | |
| PEP 581 | 581.5 | 5.8 | X | Tyr | |
| PEP 593 | 593.5 | 6.1 | X | Met | MeLeu |
| PEP 756 | 756.6 | 6.8 | X | Tyr | Tyr |
| PEP 593 | 593.5 | 6.8 | X | Tyr | |
| PEP 594 | 594.4 | 5.2 | X | Thr | Leu |
| PEP 712 | 712.6 | 5.4 | X | MeLeu | Tyr |
| PEP 714 | 714.6 | 5.2 | X | MeLeu | Tyr |
| PEP 728 | 728.6 | 5.4 | X | MeLeu | Tyr |
| PEP 740 | 740.7 | 8.4 | X | MeLeu | Tyr |
| PEP 742 | 742.6 | 5.5 | X | Met | |
| PEP 744 | 744.5 | 5 | X | MeLeu | |
| PEP 714 | 714.6 | 5.5 | X | MeLeu | Tyr |
| PEP 728 | 728.6 | 5.7 | X | MeLeu | Tyr |