| KEGG ID | KO | Definition |
| mct:MCR_0211 | K06193 | alkylphosphonate utilization operon protein PhnA |
| mcs:DR90_1694 | K06193 | phnA Zinc-Ribbon family protein |
| mcat:MC25239_00237 | K06193 | hypothetical protein |
| moi:MOVS_09020 | K06193 | alkylphosphonate utilization protein |
| mos:AXE82_08320 | K06193 | alkylphosphonate utilization protein |
| mbl:AAX09_08780 | K06193 | alkylphosphonate utilization protein |