| KEGG ID | KO | Definition |
| cps:CPS_3439 | K08738 | cytochrome c2 |
| sil:SPO1509 | K08738 | cytochrome c family protein |
| rcp:RCAP_rcc01656 | K08738 | cytochrome c2-2 |
| rhp:LPB142_05055 | K08738 | cytochrome C |
| dsh:Dshi_2672 | K08738 | hypothetical protein |
| rhc:RGUI_2632 | K08738 | Cytochrome c2 |
| don:BSK21_12025 | K08738 | cytochrome C |
| tpro:Ga0080559_TMP988 | K08738 | cytochrome c |
| paby:Ga0080574_TMP3322 | K08738 | cytochrome c |
| abs:AZOBR_180203 | K08738 | cytochrome c2 |
| abq:ABAZ39_02400 | K08738 | cytochrome C |
| abf:AMK58_03550 | K08738 | cytochrome C |