| KEGG ID | KO | Definition |
| vpa:VPA1144 | K08738 | hypothetical protein |
| vpb:VPBB_A1044 | K08738 | hypothetical protein |
| vpk:M636_05100 | K08738 | cytochrome C |
| vpf:M634_20845 | K08738 | cytochrome C |
| vph:VPUCM_20534 | K08738 | hypothetical protein |
| vna:PN96_18945 | K08738 | cytochrome C |
| vej:VEJY3_18446 | K08738 | hypothetical protein |
| fbl:Fbal_0807 | K08738 | cytochrome c class I |