| Status | Description | Organism | Genes | References |
|---|---|---|---|---|
| ferrochelatase | Acetobacter aceti | hemH | ||
| ferrochelatase | Alicyclobacillus acidocaldarius | GCIO-2102 | ||
| ferrochelatase | Aggregatibacter actinomycetemcomitans | hemH | ||
| ferrochelatase | Aquifex aeolicus | hemH | ||
| ferrochelatase | Alishewanella aestuarii | G10GE-3381 | ||
| ferrochelatase | Alishewanella agri | G10HS-530 | ||
| ferrochelatase | Agrobacterium albertimagni | hemH | ||
| ferrochelatase | Aggregatibacter aphrophilus | hemH | ||
| ferrochelatase | Arthrobacter arilaitensis | hemH | ||
| ferrochelatase | Arthrobacter arilaitensis | hemH |