| KEGG ID | KO | Definition |
| sml:Smlt0197 | K08738 | putative cytochrome c |
| smt:Smal_0157 | K08738 | cytochrome c class I |
| buj:BurJV3_0152 | K08738 | cytochrome c class I |
| smz:SMD_0168 | K08738 | Cytochrome c |
| sacz:AOT14_04290 | K08738 | cytochrome C |
| stek:AXG53_18810 | K08738 | cytochrome C |
| srh:BAY15_0291 | K08738 | cytochrome C |
| slm:BIZ42_10250 | K08738 | cytochrome C |
| sten:CCR98_00865 | K08738 | cytochrome C |