| A | HhH-GPD | e3nn1A4 | A: a/b three-layered sandwiches | X: DEATH domain | H: Ten stranded beta/alpha barrel | T: Ten stranded beta/alpha barrel | F: HhH-GPD | ECOD (v294.1) |
| B | HhH-GPD | e3nn1B2 | A: a/b three-layered sandwiches | X: DEATH domain | H: Ten stranded beta/alpha barrel | T: Ten stranded beta/alpha barrel | F: HhH-GPD | ECOD (v294.1) |
| C | HhH-GPD | e3nn1C2 | A: a/b three-layered sandwiches | X: DEATH domain | H: Ten stranded beta/alpha barrel | T: Ten stranded beta/alpha barrel | F: HhH-GPD | ECOD (v294.1) |
| D | HhH-GPD | e3nn1D2 | A: a/b three-layered sandwiches | X: DEATH domain | H: Ten stranded beta/alpha barrel | T: Ten stranded beta/alpha barrel | F: HhH-GPD | ECOD (v294.1) |
| E | HhH-GPD | e3nn1E2 | A: a/b three-layered sandwiches | X: DEATH domain | H: Ten stranded beta/alpha barrel | T: Ten stranded beta/alpha barrel | F: HhH-GPD | ECOD (v294.1) |