| CDS description | CDS accession | Island | Host Description |
|---|
| MetX | NC_012559:2854640:2873203 | NC_012559:2854640 | Laribacter hongkongensis HLHK9, complete genome |
| MetX | NC_007681:770267:786908 | NC_007681:770267 | Methanosphaera stadtmanae DSM 3091, complete genome |
| homoserine O-acetyltransferase MetX | NC_015684:3340519:3362191 | NC_015684:3340519 | Oligotropha carboxidovorans OM5 chromosome, complete genome |