Escherichia coli
| Assembly | Physical composition | Protein state | Molecular copy count | Associated components | Data consistency |
|---|---|---|---|---|---|
| 1 | Protein monomer | Monomer | Protein 1 | YTTERBIUM (III) ION × 1 water × 1 | Consistent with protein count |
| UniProt name | TOLB_ECOLI |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain A； PDBConstruct 2–431； UniProt 1–430 |
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 | 1c5k |
| Deposition date deposition_date | 1999-12-05 |
| Structure title title | THE STRUCTURE OF TOLB, AN ESSENTIAL COMPONENT OF THE TOL-DEPENDENT TRANSLOCATION SYSTEM AND ITS INTERACTIONS WITH THE TRANSLOCATION DOMAIN OF COLICIN E9 |
| Keywords keywords | BETA PROPELLOR, PROTEIN-PROTEIN INTERACTIONS, COLICIN IMPORT, TRANSPORT PROTEIN; TRANSPORT 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） | 23.47 Å |
| Rg (electron density) | 22.54 Å |
| Total Rg | 23.30 Å |
| Atom count | 2991 |
| Residues | 397 |
| Excluded volume | 52606 ų |
| Maximum q | 0.500 Å⁻¹ |
| Domain ID domain_id | d1c5ka1 |
| Class class | b — All beta proteins |
| Fold Fold fold | b.68 — 6-bladed beta-propeller |
| Superfamily Superfamily superfamily | b.68.4 — TolB, C-terminal domain |
| Family Family family | b.68.4.1 — TolB, C-terminal domain |
| Domain ID domain_id | d1c5ka2 |
| Class class | c — Alpha and beta proteins (a/b) |
| Fold Fold fold | c.51 — Anticodon-binding domain-like |
| Superfamily Superfamily superfamily | c.51.2 — TolB, N-terminal domain |
| Family Family family | c.51.2.1 — TolB, N-terminal domain |
| Domain ID domain_id | 1c5kA01 |
| Class class | 3 — Alpha Beta |
| Architecture architecture | 40 — 3-Layer(aba) Sandwich |
| Topology topology | 50 — Rossmann fold |
| Homologous superfamily homologous superfamily | 10070 — TolB, N-terminal domain |
| Domain ID domain_id | 1c5kA02 |
| Class class | 2 — Mainly Beta |
| Architecture architecture | 120 — 6 Propeller |
| Topology topology | 10 — Neuraminidase |
| Homologous superfamily homologous superfamily | 30 — TolB, C-terminal domain |