| C | Vps16_C | e4bx9C1 | A: alpha superhelices | X: Repetitive alpha hairpins | H: ARM repeat (From Topology) | T: ARM repeat | F: Vps16_C | ECOD (1.6) |
| B | Sec1_3rd | e4bx9B2 | A: alpha complex topology | X: alpha-helical domain in sec1/munc18-like (SM) proteins (From Topology) | H: alpha-helical domain in sec1/munc18-like (SM) proteins (From Topology) | T: alpha-helical domain in sec1/munc18-like (SM) proteins | F: Sec1_3rd | ECOD (1.6) |
| B | Sec1_2nd | e4bx9B4 | A: a/b three-layered sandwiches | X: Rossmann-like domains in Sec1/munc18-like proteins (From Topology) | H: Rossmann-like domains in Sec1/munc18-like proteins (From Topology) | T: Rossmann-like domains in Sec1/munc18-like proteins | F: Sec1_2nd | ECOD (1.6) |
| B | Sec1_1st | e4bx9B3 | A: a/b three-layered sandwiches | X: Rossmann-like domains in Sec1/munc18-like proteins (From Topology) | H: Rossmann-like domains in Sec1/munc18-like proteins (From Topology) | T: Rossmann-like domains in Sec1/munc18-like proteins | F: Sec1_1st | ECOD (1.6) |
| A | Sec1_3rd | e4bx9A3 | A: alpha complex topology | X: alpha-helical domain in sec1/munc18-like (SM) proteins (From Topology) | H: alpha-helical domain in sec1/munc18-like (SM) proteins (From Topology) | T: alpha-helical domain in sec1/munc18-like (SM) proteins | F: Sec1_3rd | ECOD (1.6) |
| A | Sec1_2nd | e4bx9A4 | A: a/b three-layered sandwiches | X: Rossmann-like domains in Sec1/munc18-like proteins (From Topology) | H: Rossmann-like domains in Sec1/munc18-like proteins (From Topology) | T: Rossmann-like domains in Sec1/munc18-like proteins | F: Sec1_2nd | ECOD (1.6) |
| A | Sec1_1st | e4bx9A1 | A: a/b three-layered sandwiches | X: Rossmann-like domains in Sec1/munc18-like proteins (From Topology) | H: Rossmann-like domains in Sec1/munc18-like proteins (From Topology) | T: Rossmann-like domains in Sec1/munc18-like proteins | F: Sec1_1st | ECOD (1.6) |