| C4M6G8 | FEN1_ENTHI | Entamoeba histolytica | FEN1 EHI_099740 | Detail |
| A9VB27 | FEN1_MONBE | Monosiga brevicollis (Choanoflagellate) | FEN1 29430 | Detail |
| Q9VRJ0 | GEN_DROME | Drosophila melanogaster (Fruit fly) | Gen CG10670 | Detail |
| P42837 | FIG4_YEAST | Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast) | FIG4 YNL325C N0330 | Detail |
| Q57WW6 | FEN1_TRYB2 | Trypanosoma brucei brucei (strain 927/4 GUTat10.1) | FEN1 Tb927.3.830 | Detail |
| D2QPE6 | HIS7_SPILD | Spirosoma linguale (strain ATCC 33905 / DSM 74 / LMG 10896) | hisB Slin_3446 | Detail |
| C1H492 | LCL3_PARBA | Paracoccidioides lutzii (strain ATCC MYA-826 / Pb01) (Paracoccidioides brasiliensis) | LCL3 PAAG_05585 | Detail |
| Q97Y85 | CAS2B_SACS2 | Saccharolobus solfataricus (strain ATCC 35092 / DSM 1617 / JCM 11322 / P2) (Sulfolobus solfataricus) | cas22 SSO8090 | Detail |
| B8DZH3 | CAS2_DICTD | Dictyoglomus turgidum (strain Z-1310 / DSM 6724) | cas2 Dtur_0618 | Detail |
| D3RW30 | CAS2_ALLVD | Allochromatium vinosum (strain ATCC 17899 / DSM 180 / NBRC 103801 / NCIMB 10441 / D) (Chromatium vinosum) | cas2 Alvin_3144 | Detail |