Table 4.
Putatively identified and dereplicated compounds from the high-resolution mass spectral data sets of the crude ethyl acetate extract of Streptomyces sp. SBT343 using MarinLit® database with a precision of ±0.1–1.0.
| Peak ID | ESI Mode | m/z∗ | Rt (min) | Hits (m/z∗∗) |
|---|---|---|---|---|
| 1 | P | 1095.624 | 5.85 | Azalomycin (1095.682) |
| 2 | P | 325.197 | 3.44 | Streptcytosine B (325.109) |
| 3 | P | 307.187 | 3.83 | Streptcytosine C (307.153) |
| 4 | P | 350.098 | 5.03 | Daryamide A (350.184) |
| 5 | N | 510.265 | 4.85 | Azamerone (510.168) |
| Antimycin B1 (510.221) | ||||
| 6 | N | 272.154 | 3.38 | Usabamycin A (272.152) |
| 7 | N | 659.355 | 5.15 | Actinoramide D (660.738) |
P, positive ESI mode; N, negative ESI mode; Rt, retention time; ∗ indicates the neutral m/z values of peaks found in the crude ethyl acetate extract of Streptomyces sp. SBT343; ∗∗ indicates the m/z values of the corresponding hits identified with the MarinLit® database.