| D | SNase | e4zn8D1 | A: alpha arrays | X: OB-fold | H: Phage tail fiber protein trimerization domain | T: Phage tail fiber protein trimerization domain | F: SNase | ECOD (v295) |
| C | SNase | e4zn8C1 | A: alpha arrays | X: OB-fold | H: Phage tail fiber protein trimerization domain | T: Phage tail fiber protein trimerization domain | F: SNase | ECOD (v295) |
| B | SNase | e4zn8B1 | A: alpha arrays | X: OB-fold | H: Phage tail fiber protein trimerization domain | T: Phage tail fiber protein trimerization domain | F: SNase | ECOD (v295) |
| A | SNase | e4zn8A1 | A: alpha arrays | X: OB-fold | H: Phage tail fiber protein trimerization domain | T: Phage tail fiber protein trimerization domain | F: SNase | ECOD (v295) |