| KEGG ID | KO | Definition |
| xcc:XCC1312 | K06193 | conserved hypothetical protein |
| xcb:XC_2927 | K06193 | conserved hypothetical protein |
| xca:xcc-b100_2988 | K06193 | Putative PhnA-like phosphonoacetate hydrolase |
| xcp:XCR_1574 | K06193 | alkylphosphonate utilization operon protein PhnA |
| xcv:XCV1415 | K06193 | putative PhnA-like phosphonoacetate hydrolase |
| xax:XACM_1345 | K06193 | PhnA-like phosphonoacetate hydrolase |
| xac:XAC1360 | K06193 | conserved hypothetical protein |
| xci:XCAW_02985 | K06193 | putative Zn-ribbon-containing protein involved in phosphonate metabolism |
| xct:J151_01506 | K06193 | putative Zn-ribbon-containing protein involved in phosphonate metabolism |
| xcj:J158_01502 | K06193 | alkylphosphonate utilization operon protein PhnA |
| xcu:J159_01502 | K06193 | alkylphosphonate utilization operon protein PhnA |
| xcn:J169_01502 | K06193 | alkylphosphonate utilization operon protein PhnA |
| xcw:J162_01502 | K06193 | alkylphosphonate utilization operon protein PhnA |
| xcr:J163_01502 | K06193 | alkylphosphonate utilization operon protein PhnA |
| xcm:J164_01502 | K06193 | alkylphosphonate utilization operon protein PhnA |
| xcf:J172_01497 | K06193 | alkylphosphonate utilization operon protein PhnA |
| xfu:XFF4834R_chr31400 | K06193 | predicted phosphonate metabolizing protein PhnA |
| xao:XAC29_06870 | K06193 | alkylphosphonate utilization operon protein PhnA |
| xoo:XOO1898 | K06193 | hypothetical protein |
| xom:XOO1793 | K06193 | conserved hypothetical protein |
| xop:PXO_01761 | K06193 | alkylphosphonate utilization operon protein PhnA |
| xoy:AZ54_14995 | K06193 | phosphonoacetate hydrolase |
| xoz:BE73_07090 | K06193 | phosphonoacetate hydrolase |
| xsa:SB85_06305 | K06193 | phosphonoacetate hydrolase |
| xtn:FD63_06155 | K06193 | phosphonoacetate hydrolase |
| xfr:BER92_12315 | K06193 | phosphonoacetate hydrolase |
| xga:BI317_07980 | K06193 | phosphonoacetate hydrolase |
| xve:BJD12_20210 | K06193 | phosphonoacetate hydrolase |
| xpe:BJD13_09780 | K06193 | phosphonoacetate hydrolase |
| sml:Smlt3508 | K06193 | putative alkylphosphonate uptake protein |
| smt:Smal_2936 | K06193 | alkylphosphonate utilization operon protein PhnA |
| buj:BurJV3_2968 | K06193 | alkylphosphonate utilization operon protein PhnA |
| smz:SMD_3089 | K06193 | Alkylphosphonate utilization operon protein PhnA |
| sacz:AOT14_13500 | K06193 | alkylphosphonate uptake protein |
| stek:AXG53_11275 | K06193 | phosphonoacetate hydrolase |
| srh:BAY15_2697 | K06193 | phosphonoacetate hydrolase |
| slm:BIZ42_04290 | K06193 | phosphonoacetate hydrolase |
| sten:CCR98_15290 | K06193 | phosphonoacetate hydrolase |
| psu:Psesu_1432 | K06193 | alkylphosphonate utilization operon protein PhnA |
| psuw:WQ53_15880 | K06193 | phosphonoacetate hydrolase |
| psd:DSC_09210 | K06193 | phosphonoacetate hydrolase |
| fau:Fraau_1766 | K06193 | alkylphosphonate utilization operon protein PhnA |
| rhd:R2APBS1_2475 | K06193 | alkylphosphonate utilization operon protein PhnA |
| dji:CH75_20680 | K06193 | phosphonoacetate hydrolase |
| dja:HY57_17325 | K06193 | phosphonoacetate hydrolase |
| lrz:BJI69_18345 | K06193 | phosphonoacetate hydrolase |