| Q9UQQ1 | n/a | 4twe | CA | A | 803 | e4tweA1 | N-cbl like | Transferrin receptor ectodomain, C-terminal domain | Transferrin receptor ectodomain, C-terminal domain | TFR_dimer |
| Q9UQQ1 | n/a | 4twe | CA | A | 803 | e4tweA2 | The "swivelling" beta/beta/alpha domains | The "swivelling" beta/beta/alpha domain | The "swivelling" beta/beta/alpha domain | PA |
| Q9UQQ1 | n/a | 4twe | CA | A | 803 | e4tweA3 | Phosphorylase/hydrolase-like | Zn-dependent exopeptidases | Zn-dependent exopeptidases | Peptidase_M28 |
| Q9UQQ1 | n/a | 4twe | CA | B | 803 | e4tweB1 | The "swivelling" beta/beta/alpha domains | The "swivelling" beta/beta/alpha domain | The "swivelling" beta/beta/alpha domain | PA |
| Q9UQQ1 | n/a | 4twe | CA | B | 803 | e4tweB2 | N-cbl like | Transferrin receptor ectodomain, C-terminal domain | Transferrin receptor ectodomain, C-terminal domain | TFR_dimer |
| Q9UQQ1 | n/a | 4twe | CA | B | 803 | e4tweB3 | Phosphorylase/hydrolase-like | Zn-dependent exopeptidases | Zn-dependent exopeptidases | Peptidase_M28 |