OrganismNot specified
| Assembly | Physical composition | Protein state | Molecular copy count | Associated components | Data consistency |
|---|---|---|---|---|---|
| 1 | Protein monomer | Monomer | Protein 1 | water × 1 | Consistent with protein count |
| UniProt name | FEPA_ECOLI |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain A； PDBConstruct 11–724； UniProt 1–746 |
The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.
| Entry ID entry_id | 1fep |
| Deposition date deposition_date | 1998-11-24 |
| Structure title title | FERRIC ENTEROBACTIN RECEPTOR |
| Keywords keywords | OUTER MEMBRANE, IRON TRANSPORT, TRANSPORT, TONB, RECEPTOR, MEMBRANE PROTEIN; MEMBRANE PROTEIN |
| Experimental Method method | X-RAY DIFFRACTION |
This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.
Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)
| Rg（Guinier） | 25.92 Å |
| Rg (electron density) | 25.19 Å |
| Total Rg | 25.96 Å |
| Atom count | 5300 |
| Residues | 669 |
| Excluded volume | 92818 ų |
| Maximum q | 0.500 Å⁻¹ |
| Domain ID domain_id | d1fepa_ |
| Class class | f — Membrane and cell surface proteins and peptides |
| Fold Fold fold | f.4 — Transmembrane beta-barrels |
| Superfamily Superfamily superfamily | f.4.3 — Porins |
| Family Family family | f.4.3.3 — Ligand-gated protein channel |
| Domain ID domain_id | 1fepA01 |
| Class class | 2 — Mainly Beta |
| Architecture architecture | 170 — Beta Complex |
| Topology topology | 130 — Ferric Hydroxamate Uptake Protein; Chain A, domain 1 |
| Homologous superfamily homologous superfamily | 10 — TonB-dependent receptor, plug domain |
| Domain ID domain_id | 1fepA02 |
| Class class | 2 — Mainly Beta |
| Architecture architecture | 40 — Beta Barrel |
| Topology topology | 170 — Maltoporin; Chain A |
| Homologous superfamily homologous superfamily | 20 — TonB-dependent receptor, beta-barrel domain |