| 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 |
| Q888V8 | CHEB2_PSESM | Pseudomonas syringae pv. tomato (strain ATCC BAA-871 / DC3000) | cheB2 cheB1 PSPTO_0908 | Detail |
| Q2IQR9 | CHEB4_ANADE | Anaeromyxobacter dehalogenans (strain 2CP-C) | cheB4 Adeh_1373 | Detail |
| O29221 | CHEB_ARCFU | Archaeoglobus fulgidus (strain ATCC 49558 / VC-16 / DSM 4304 / JCM 9628 / NBRC 100126) | cheB AF_1041 | 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 |
| F1R983 | CTIP_DANRE | Danio rerio (Zebrafish) (Brachydanio rerio) | rbbp8 zgc:113143 | Detail |