| CDS description | CDS accession | Island | Host Description |
|---|
| protein of unknown function DUF1657 | NC_013205:747502:765549 | NC_013205:747502 | Alicyclobacillus acidocaldarius subsp. acidocaldarius DSM 446, |
| protein of unknown function DUF1657 | NC_014410:51711:60948 | NC_014410:51711 | Thermoanaerobacterium thermosaccharolyticum DSM 571 chromosome, |
| protein of unknown function DUF1657 | NC_015555:49842:59617 | NC_015555:49842 | Thermoanaerobacterium xylanolyticum LX-11 chromosome, complete |