| A | BBE | e4ub9A1 | A: alpha arrays | X: Single-stranded right-handed beta-helix | H: P-loop domains-related | T: P-loop containing nucleoside triphosphate hydrolases | F: BBE | ECOD (v295.2) |
| B | BBE | e4ub9B1 | A: alpha arrays | X: Single-stranded right-handed beta-helix | H: P-loop domains-related | T: P-loop containing nucleoside triphosphate hydrolases | F: BBE | ECOD (v295.2) |
| C | BBE | e4ub9C1 | A: alpha arrays | X: Single-stranded right-handed beta-helix | H: P-loop domains-related | T: P-loop containing nucleoside triphosphate hydrolases | F: BBE | ECOD (v295.2) |
| D | BBE | e4ub9D1 | A: alpha arrays | X: Single-stranded right-handed beta-helix | H: P-loop domains-related | T: P-loop containing nucleoside triphosphate hydrolases | F: BBE | ECOD (v295.2) |
| E | BBE | e4ub9E1 | A: alpha arrays | X: Single-stranded right-handed beta-helix | H: P-loop domains-related | T: P-loop containing nucleoside triphosphate hydrolases | F: BBE | ECOD (v295.2) |
| F | BBE | e4ub9F1 | A: alpha arrays | X: Single-stranded right-handed beta-helix | H: P-loop domains-related | T: P-loop containing nucleoside triphosphate hydrolases | F: BBE | ECOD (v295.2) |
| G | BBE | e4ub9G1 | A: alpha arrays | X: Single-stranded right-handed beta-helix | H: P-loop domains-related | T: P-loop containing nucleoside triphosphate hydrolases | F: BBE | ECOD (v295.2) |
| H | BBE | e4ub9H1 | A: alpha arrays | X: Single-stranded right-handed beta-helix | H: P-loop domains-related | T: P-loop containing nucleoside triphosphate hydrolases | F: BBE | ECOD (v295.2) |