| Status | Description | Organism | Genes | References |
|---|---|---|---|---|
| choline oxidase | Arthrobacter arilaitensis | codA | ||
| choline oxidase | Arthrobacter aurescens | GI59-503 | ||
| guanylate kinase | Brucella ceti | gmk | ||
| choline oxidase | Brachybacterium faecium | GH3P-2213 | ||
| guanylate kinase | Brucella melitensis | gmk | ||
| choline oxidase | Brachybacterium paraconglomeratum | G10MS-545 | ||
| choline oxidase | Corynebacterium casei | G10VW-2264 | ||
| choline oxidase | Corynebacterium casei | codA | ||
| choline oxidase | Corynebacterium genitalium | betA | ||
| soluble choline dehydrogenase | Cupriavidus taiwanensis | GLC7-177 |