| CDS description | CDS accession | Island | Host Description |
|---|
| Type II alternative RNA polymerase sigma factor, sigma-70 family | NC_009091:1598044:1616615 | NC_009091:1598044 | Prochlorococcus marinus str. MIT 9301, complete genome |
| Type II alternative RNA polymerase sigma factor, sigma-70 family | NC_005070:2374850:2399426 | NC_005070:2374850 | Synechococcus sp. WH 8102, complete genome |