| D | Nrd1-Seb1_dom2 | e5xkrD1 | A: a/b three-layered sandwiches | X: CRISPR-associated protein Cse2 | H: CRISPR-associated protein Cse2 | T: CRISPR-associated protein Cse2 | F: Nrd1-Seb1_dom2 | ECOD (v294.1) |
| C | Nrd1-Seb1_dom2 | e5xkrC1 | A: a/b three-layered sandwiches | X: CRISPR-associated protein Cse2 | H: CRISPR-associated protein Cse2 | T: CRISPR-associated protein Cse2 | F: Nrd1-Seb1_dom2 | ECOD (v294.1) |
| B | Nrd1-Seb1_dom2 | e5xkrB1 | A: a/b three-layered sandwiches | X: CRISPR-associated protein Cse2 | H: CRISPR-associated protein Cse2 | T: CRISPR-associated protein Cse2 | F: Nrd1-Seb1_dom2 | ECOD (v294.1) |
| A | Nrd1-Seb1_dom2 | e5xkrA1 | A: a/b three-layered sandwiches | X: CRISPR-associated protein Cse2 | H: CRISPR-associated protein Cse2 | T: CRISPR-associated protein Cse2 | F: Nrd1-Seb1_dom2 | ECOD (v294.1) |