| KEGG ID | KO | Definition |
| plu:plu1533 | K06193 | unnamed protein product; Similar to alkylphosphonate uptake protein PhnA |
| pay:PAU_02914 | K06193 | similar to alkylphosphonate uptake protein phna |
| ptt:VY86_15305 | K06193 | PhnA protein |
| xbo:XBJ1_0963 | K06193 | putative alkylphosphonate uptake protein in phosphonate metabolism (fragment) |
| xbv:XBW1_3435 | K06193 | putative alkylphosphonate uptake protein in phosphonate metabolism |
| xne:XNC1_1479 | K06193 | putative alkylphosphonate uptake protein in phosphonate metabolism (fragment) |
| xnm:XNC2_1441 | K06193 | putative alkylphosphonate uptake protein in phosphonate metabolism (fragment) |
| xdo:XDD1_1429 | K06193 | putative alkylphosphonate uptake protein in phosphonate metabolism |
| xpo:XPG1_2280 | K06193 | putative alkylphosphonate uptake protein in phosphonate metabolism |
| xho:A9255_09215 | K06193 | PhnA protein |
| lhk:LHK_00146 | K06193 | putative PhnA-like phosphonoacetate hydrolase |
| pse:NH8B_2678 | K06193 | phosphonoacetate hydrolase PhnA |