| KEGG ID | KO | Definition |
| esa:ESA_00634 | hypothetical protein | |
| yey:Y11_02721 | hlyd family secretion protein | |
| yew:CH47_816 | putative type I secretion membrane fusion cyaD domain protein | |
| yet:CH48_259 | putative type I secretion membrane fusion protein cyaD | |
| yak:ACZ76_15765 | hypothetical protein | |
| sjp:SJA_C1-21190 | putative secretion protein |