| A | Cas9_REC | e8hj4A1 | A: alpha complex topology | X: CRISPR-associated endonuclease Cas9 alpha-helical lobe | H: CRISPR-associated endonuclease Cas9 alpha-helical lobe (From Topology) | T: CRISPR-associated endonuclease Cas9 alpha-helical lobe | F: Cas9_REC | ECOD (1.6) |
| A | Cas9_2nd | e8hj4A6 | A: a+b two layers | X: SSHS domain | H: SSHS domain in CRISPR-associated endonuclease Cas9 (From Topology) | T: SSHS domain in CRISPR-associated endonuclease Cas9 | F: Cas9_2nd | ECOD (1.6) |
| A | F_UNCLASSIFIED | e8hj4A5 | A: a+b complex topology | X: CRISPR-associated endonuclease Cas9 C-terminal domain (From Topology) | H: CRISPR-associated endonuclease Cas9 C-terminal domain (From Topology) | T: CRISPR-associated endonuclease Cas9 C-terminal domain | F: F_UNCLASSIFIED | ECOD (1.6) |
| A | UvrD_C | e8hj4A4 | A: a+b complex topology | X: CRISPR-associated endonuclease Cas9 wedge domain (From Topology) | H: CRISPR-associated endonuclease Cas9 wedge domain (From Topology) | T: CRISPR-associated endonuclease Cas9 wedge domain | F: UvrD_C | ECOD (1.6) |
| A | Cas9_1st | e8hj4A2 | A: mixed a+b and a/b | X: Ribonuclease H-like | H: Ribonuclease H-like (From Topology) | T: Ribonuclease H-like | F: Cas9_1st | ECOD (1.6) |
| A | HNH_4 | e8hj4A3 | A: few secondary structure elements | X: His-Me finger endonucleases (From Homology) | H: His-Me finger endonucleases | T: His-Me finger endonucleases | F: HNH_4 | ECOD (1.6) |
