| CDS description | CDS accession | Island | Host Description |
|---|
| porphyrin biosynthesis protein | NC_009089:3998347:4011102 | NC_009089:3998347 | Clostridium difficile 630, complete genome |
| porphyrin biosynthesis protein includes: uroporphyrinogen-III methyltransferase and uroporphyrinogen-III synthase] | NC_013316:3863728:3876506 | NC_013316:3863728 | Clostridium difficile R20291, complete genome |
| porphyrin biosynthesis protein HemD | NC_014328:3482980:3496789 | NC_014328:3482980 | Clostridium ljungdahlii ATCC 49587 chromosome, complete genome |
| porphyrin biosynthesis protein | NC_014323:3292082:3318236 | NC_014323:3292082 | Herbaspirillum seropedicae SmR1 chromosome, complete genome |