| KEGG ID | KO | Definition |
| por:APT59_14885 | K06193 | alkylphosphonate utilization protein |
| maq:Maqu_2184 | K06193 | alkylphosphonate utilization operon protein PhnA |
| mhc:MARHY1045 | K06193 | alkylphosphonate uptake protein (PhnA) in phosphonate metabolism |
| mad:HP15_843 | K06193 | PhnA protein |
| mbs:MRBBS_2615 | K06193 | Protein phnA |
| msx:AU14_05270 | K06193 | hypothetical protein |
| mpq:ABA45_12340 | K06193 | alkylphosphonate utilization protein |
| mari:ACP86_15335 | K06193 | alkylphosphonate utilization protein |
| mlq:ASQ50_16960 | K06193 | alkylphosphonate utilization protein |
| msq:BKP64_09940 | K06193 | alkylphosphonate utilization protein |
| pspi:PS2015_2651 | K06193 | PhnA protein |