| M | Head-tail_con_2nd | e6qwpM1 | A: beta barrels | X: Barrel domain in upper collar protein (From Topology) | H: Barrel domain in upper collar protein (From Topology) | T: Barrel domain in upper collar protein | F: Head-tail_con_2nd | ECOD (1.6) |
| M | Head-tail_con_1st | e6qwpM2 | A: alpha bundles | X: Alpha-helical domain in upper collar protein (From Topology) | H: Alpha-helical domain in upper collar protein (From Topology) | T: Alpha-helical domain in upper collar protein | F: Head-tail_con_1st | ECOD (1.6) |
| L | Head-tail_con_2nd | e6qwpL2 | A: beta barrels | X: Barrel domain in upper collar protein (From Topology) | H: Barrel domain in upper collar protein (From Topology) | T: Barrel domain in upper collar protein | F: Head-tail_con_2nd | ECOD (1.6) |
| L | Head-tail_con_1st | e6qwpL1 | A: alpha bundles | X: Alpha-helical domain in upper collar protein (From Topology) | H: Alpha-helical domain in upper collar protein (From Topology) | T: Alpha-helical domain in upper collar protein | F: Head-tail_con_1st | ECOD (1.6) |
| K | Head-tail_con_2nd | e6qwpK2 | A: beta barrels | X: Barrel domain in upper collar protein (From Topology) | H: Barrel domain in upper collar protein (From Topology) | T: Barrel domain in upper collar protein | F: Head-tail_con_2nd | ECOD (1.6) |
| K | Head-tail_con_1st | e6qwpK1 | A: alpha bundles | X: Alpha-helical domain in upper collar protein (From Topology) | H: Alpha-helical domain in upper collar protein (From Topology) | T: Alpha-helical domain in upper collar protein | F: Head-tail_con_1st | ECOD (1.6) |
| J | Head-tail_con_2nd | e6qwpJ2 | A: beta barrels | X: Barrel domain in upper collar protein (From Topology) | H: Barrel domain in upper collar protein (From Topology) | T: Barrel domain in upper collar protein | F: Head-tail_con_2nd | ECOD (1.6) |
| J | Head-tail_con_1st | e6qwpJ1 | A: alpha bundles | X: Alpha-helical domain in upper collar protein (From Topology) | H: Alpha-helical domain in upper collar protein (From Topology) | T: Alpha-helical domain in upper collar protein | F: Head-tail_con_1st | ECOD (1.6) |
| I | Head-tail_con_2nd | e6qwpI2 | A: beta barrels | X: Barrel domain in upper collar protein (From Topology) | H: Barrel domain in upper collar protein (From Topology) | T: Barrel domain in upper collar protein | F: Head-tail_con_2nd | ECOD (1.6) |
| I | Head-tail_con_1st | e6qwpI1 | A: alpha bundles | X: Alpha-helical domain in upper collar protein (From Topology) | H: Alpha-helical domain in upper collar protein (From Topology) | T: Alpha-helical domain in upper collar protein | F: Head-tail_con_1st | ECOD (1.6) |
| H | Head-tail_con_2nd | e6qwpH1 | A: beta barrels | X: Barrel domain in upper collar protein (From Topology) | H: Barrel domain in upper collar protein (From Topology) | T: Barrel domain in upper collar protein | F: Head-tail_con_2nd | ECOD (1.6) |
| H | Head-tail_con_1st | e6qwpH2 | A: alpha bundles | X: Alpha-helical domain in upper collar protein (From Topology) | H: Alpha-helical domain in upper collar protein (From Topology) | T: Alpha-helical domain in upper collar protein | F: Head-tail_con_1st | ECOD (1.6) |
| G | Head-tail_con_2nd | e6qwpG2 | A: beta barrels | X: Barrel domain in upper collar protein (From Topology) | H: Barrel domain in upper collar protein (From Topology) | T: Barrel domain in upper collar protein | F: Head-tail_con_2nd | ECOD (1.6) |
| G | Head-tail_con_1st | e6qwpG1 | A: alpha bundles | X: Alpha-helical domain in upper collar protein (From Topology) | H: Alpha-helical domain in upper collar protein (From Topology) | T: Alpha-helical domain in upper collar protein | F: Head-tail_con_1st | ECOD (1.6) |
| F | Head-tail_con_2nd | e6qwpF2 | A: beta barrels | X: Barrel domain in upper collar protein (From Topology) | H: Barrel domain in upper collar protein (From Topology) | T: Barrel domain in upper collar protein | F: Head-tail_con_2nd | ECOD (1.6) |
| F | Head-tail_con_1st | e6qwpF1 | A: alpha bundles | X: Alpha-helical domain in upper collar protein (From Topology) | H: Alpha-helical domain in upper collar protein (From Topology) | T: Alpha-helical domain in upper collar protein | F: Head-tail_con_1st | ECOD (1.6) |
| E | Head-tail_con_2nd | e6qwpE2 | A: beta barrels | X: Barrel domain in upper collar protein (From Topology) | H: Barrel domain in upper collar protein (From Topology) | T: Barrel domain in upper collar protein | F: Head-tail_con_2nd | ECOD (1.6) |
| E | Head-tail_con_1st | e6qwpE1 | A: alpha bundles | X: Alpha-helical domain in upper collar protein (From Topology) | H: Alpha-helical domain in upper collar protein (From Topology) | T: Alpha-helical domain in upper collar protein | F: Head-tail_con_1st | ECOD (1.6) |
| D | Head-tail_con_2nd | e6qwpD2 | A: beta barrels | X: Barrel domain in upper collar protein (From Topology) | H: Barrel domain in upper collar protein (From Topology) | T: Barrel domain in upper collar protein | F: Head-tail_con_2nd | ECOD (1.6) |
| D | Head-tail_con_1st | e6qwpD1 | A: alpha bundles | X: Alpha-helical domain in upper collar protein (From Topology) | H: Alpha-helical domain in upper collar protein (From Topology) | T: Alpha-helical domain in upper collar protein | F: Head-tail_con_1st | ECOD (1.6) |
| C | Head-tail_con_2nd | e6qwpC2 | A: beta barrels | X: Barrel domain in upper collar protein (From Topology) | H: Barrel domain in upper collar protein (From Topology) | T: Barrel domain in upper collar protein | F: Head-tail_con_2nd | ECOD (1.6) |
| C | Head-tail_con_1st | e6qwpC1 | A: alpha bundles | X: Alpha-helical domain in upper collar protein (From Topology) | H: Alpha-helical domain in upper collar protein (From Topology) | T: Alpha-helical domain in upper collar protein | F: Head-tail_con_1st | ECOD (1.6) |
| B | Head-tail_con_2nd | e6qwpB2 | A: beta barrels | X: Barrel domain in upper collar protein (From Topology) | H: Barrel domain in upper collar protein (From Topology) | T: Barrel domain in upper collar protein | F: Head-tail_con_2nd | ECOD (1.6) |
| B | Head-tail_con_1st | e6qwpB1 | A: alpha bundles | X: Alpha-helical domain in upper collar protein (From Topology) | H: Alpha-helical domain in upper collar protein (From Topology) | T: Alpha-helical domain in upper collar protein | F: Head-tail_con_1st | ECOD (1.6) |
| A | Head-tail_con_2nd | e6qwpA2 | A: beta barrels | X: Barrel domain in upper collar protein (From Topology) | H: Barrel domain in upper collar protein (From Topology) | T: Barrel domain in upper collar protein | F: Head-tail_con_2nd | ECOD (1.6) |
| A | Head-tail_con_1st | e6qwpA1 | A: alpha bundles | X: Alpha-helical domain in upper collar protein (From Topology) | H: Alpha-helical domain in upper collar protein (From Topology) | T: Alpha-helical domain in upper collar protein | F: Head-tail_con_1st | ECOD (1.6) |