| Status | Description | Organism | Genes | References |
|---|---|---|---|---|
| putative mercuric reductase | Alishewanella aestuarii | G10GE-354 | ||
| putative mercuric reductase | Alishewanella agri | G10HS-86 | ||
| mercuric reductase | Arthrobacter aurescens | merA | ||
| mercuric reductase | Alcanivorax borkumensis | GHRI-2231 | ||
| mercuric reductase | Afipia broomeae | GM78-2505 | ||
| mercuric reductase | Afipia broomeae | GM78-3951 | ||
| mercuric reductase | Afipia broomeae | GM78-10 | ||
| mercuric reductase | Afipia broomeae | GM78-2495 | ||
| Mercuric ion reductase | Acidithiobacillus caldus | G10BL-458 | ||
| mercuric reductase | Aeropyrum camini | G12YU-945 |