| KEGG ID | KO | Definition |
| pfl:PFL_2555 | K07304 | peptide-methionine (S)-S-oxide reductase |
| pprc:PFLCHA0_c26180 | K07304 | peptide methionine sulfoxide reductase MsrA |
| ppro:PPC_2599 | K07304 | peptide-methionine (S)-S-oxide reductase |
| pfo:Pfl01_2778 | K07304 | putative peptide methionine sulfoxide reductase |
| pfs:PFLU_2228 | K07304 | putative peptide methionine sulfoxide reductase |
| pch:EY04_11560 | K07304 | methionine sulfoxide reductase A |
| pcz:PCL1606_36550 | K07304 | methionine sulfoxide reductase A |
| pcp:JM49_18325 | K07304 | methionine sulfoxide reductase A |
| psem:TO66_12425 | K07304 | methionine sulfoxide reductase A |
| psos:POS17_2557 | K07304 | peptide-methionine (S)-S-oxide reductase |