| A | F_UNCLASSIFIED | e6nr4A1 | A: alpha superhelices | X: Repetitive alpha hairpins | H: Ankyrin repeat (From Topology) | T: Ankyrin repeat | F: F_UNCLASSIFIED | ECOD (1.6) |
| A | Ion_trans_1 | e6nr4A2 | A: alpha complex topology | X: Voltage-gated ion channels (From Topology) | H: Voltage-gated ion channels (From Topology) | T: Voltage-gated ion channels | F: Ion_trans_1 | ECOD (1.6) |
| A | F_UNCLASSIFIED | e6nr4A3 | A: a/b three-layered sandwiches | X: MCP/YpsA-related (From Topology) | H: MCP/YpsA-related (From Topology) | T: MCP/YpsA-related | F: F_UNCLASSIFIED | ECOD (1.6) |
| B | F_UNCLASSIFIED | e6nr4B1 | A: alpha superhelices | X: Repetitive alpha hairpins | H: Ankyrin repeat (From Topology) | T: Ankyrin repeat | F: F_UNCLASSIFIED | ECOD (1.6) |
| B | Ion_trans_1 | e6nr4B2 | A: alpha complex topology | X: Voltage-gated ion channels (From Topology) | H: Voltage-gated ion channels (From Topology) | T: Voltage-gated ion channels | F: Ion_trans_1 | ECOD (1.6) |
| B | F_UNCLASSIFIED | e6nr4B3 | A: a/b three-layered sandwiches | X: MCP/YpsA-related (From Topology) | H: MCP/YpsA-related (From Topology) | T: MCP/YpsA-related | F: F_UNCLASSIFIED | ECOD (1.6) |
| C | F_UNCLASSIFIED | e6nr4C1 | A: alpha superhelices | X: Repetitive alpha hairpins | H: Ankyrin repeat (From Topology) | T: Ankyrin repeat | F: F_UNCLASSIFIED | ECOD (1.6) |
| C | Ion_trans_1 | e6nr4C2 | A: alpha complex topology | X: Voltage-gated ion channels (From Topology) | H: Voltage-gated ion channels (From Topology) | T: Voltage-gated ion channels | F: Ion_trans_1 | ECOD (1.6) |
| C | F_UNCLASSIFIED | e6nr4C3 | A: a/b three-layered sandwiches | X: MCP/YpsA-related (From Topology) | H: MCP/YpsA-related (From Topology) | T: MCP/YpsA-related | F: F_UNCLASSIFIED | ECOD (1.6) |
| D | F_UNCLASSIFIED | e6nr4D1 | A: alpha superhelices | X: Repetitive alpha hairpins | H: Ankyrin repeat (From Topology) | T: Ankyrin repeat | F: F_UNCLASSIFIED | ECOD (1.6) |
| D | Ion_trans_1 | e6nr4D2 | A: alpha complex topology | X: Voltage-gated ion channels (From Topology) | H: Voltage-gated ion channels (From Topology) | T: Voltage-gated ion channels | F: Ion_trans_1 | ECOD (1.6) |
| D | F_UNCLASSIFIED | e6nr4D3 | A: a/b three-layered sandwiches | X: MCP/YpsA-related (From Topology) | H: MCP/YpsA-related (From Topology) | T: MCP/YpsA-related | F: F_UNCLASSIFIED | ECOD (1.6) |