| KEGG ID | KO | Definition |
| ilo:IL2328 | K01278 | Dipeptidyl aminopeptidase |
| ili:K734_11720 | K01278 | dipeptidyl aminopeptidase |
| ipi:CEW91_01445 | K01278 | S9 family peptidase |
| coz:A3Q34_11645 | K01278 | peptidase S9 |
| colw:A3Q33_11250 | K01278 | peptidase S9 |
| pha:PSHAb0005 | K01278 | Dipeptidyl-peptidase IV |
| psm:PSM_B0009 | K01278 | dipeptidyl-peptidase IV |
| pia:PI2015_3049 | K01278 | peptidase S9 |
| ptn:PTRA_b0005 | K01278 | dipeptidyl-peptidase 4 |
| paln:B0W48_01685 | K01278 | S9 family peptidase |
| aal:EP13_05660 | K01278 | peptidase S9 |
| gni:GNIT_1405 | K01278 | dipeptidyl peptidase IV N-terminal region domain protein |
| gps:C427_4831 | K01278 | dipeptidyl peptidase IV N-terminal region domain-containing protein |
| woc:BA177_05185 | K01278 | peptidase S9 |