| Status | Description | Organism | Genes | References |
|---|---|---|---|---|
| Zeaxanthin epoxidase | Cellulophaga lytica | GHJM-2615 | ||
| Zeaxanthin epoxidase | Calothrix parietina | G12V7-2435 | ||
| FAD-dependent oxidoreductase | Francisella noatunensis | GLDE-1193 | ||
| Zeaxanthin epoxidase | Haloterrigena limicola | G172Z-3260 | ||
| Zeaxanthin epoxidase | Aquimarina muelleri | G16KM-1482 | ||
| Zeaxanthin epoxidase | Mastigocoleus testarum | G16M1-12360 | ||
| Zeaxanthin epoxidase | Aquimarina macrocephali | G17O5-3875 | ||
| Zeaxanthin epoxidase | Halococcus thailandensis | G11AP-804 | ||
| Zeaxanthin epoxidase | Ktedonobacter racemifer | G11FK-9746 | ||
| NAD dependent epimerase/dehydratase | Legionella longbeachae | GJAR-2198 |