| C8ZC62 | FEN1_YEAS8 | Saccharomyces cerevisiae (strain Lalvin EC1118 / Prise de mousse) (Baker's yeast) | RAD27 FEN1 EC1118_1K5_1211g | Detail |
| Q97YC1 | CAS1A_SACS2 | Saccharolobus solfataricus (strain ATCC 35092 / DSM 1617 / JCM 11322 / P2) (Sulfolobus solfataricus) | cas1-1 SSO1405 | Detail |
| C4SGN7 | CDIA_YERMW | Yersinia mollaretii (strain ATCC 43969 / DSM 18520 / CIP 103324 / CNY 7263 / WAIP 204) | cdiA ymoll0001_27200 | Detail |
| Q2RV90 | CAS1C_RHORT | Rhodospirillum rubrum (strain ATCC 11170 / ATH 1.1.1 / DSM 467 / LMG 4362 / NCIB 8255 / S1) | cas1-3 Rru_A1154 | Detail |
| F7V5D5 | CAS1_CLOSS | Clostridium sp. (strain SY8519) | cas1 CXIVA_19970 | Detail |
| Q2FNT7 | CAS1C_METHJ | Methanospirillum hungatei JF-1 (strain ATCC 27890 / DSM 864 / NBRC 100397 / JF-1) | cas1-3 Mhun_1375 | Detail |
| Q0H8X2 | BI1_USTMA | Ustilago maydis (strain 521 / FGSC 9021) (Corn smut fungus) | bI1 | Detail |
| Q2RX88 | CAS2B_RHORT | Rhodospirillum rubrum (strain ATCC 11170 / ATH 1.1.1 / DSM 467 / LMG 4362 / NCIB 8255 / S1) | cas2-2 Rru_A0452 | Detail |
| E6LHV5 | CSM3_ENTI1 | Enterococcus italicus (strain DSM 15952 / LMG 22039 / TP 1.5) | csm3 HMPREF9088_1945 | Detail |
| Q8TVS8 | CAS2_METKA | Methanopyrus kandleri (strain AV19 / DSM 6324 / JCM 9639 / NBRC 100938) | cas2 MK1310 | Detail |