Coupling of lysine groups
| Item | similar dyes |
| Oyster ® - 500 NHS | Cy2™, Alexa Fluor® 488, |
| Fluorescein | |
| Oyster ® - 550 Protein NHS | Cy3™, Alexa Fluor® 555 |
| Oyster ® - 556 NHS | |
| Oyster ® - 645 NHS | Cy5™ , Alexa Fluor® 647 |
| Oyster ® - 650 Protein NHS | |
| Oyster ® - 656 NHS | |
