Escherichia coli
| Assembly | Physical composition | Protein state | Molecular copy count | Associated components | Data consistency |
|---|---|---|---|---|---|
| 1 | Protein monomer | Monomer | Protein 1 | No other associated polymer | Consistent with protein count |
| UniProt name | TOP1_ECOLI |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain A； PDBConstruct 2–122； UniProt 745–865 |
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 | 1yua |
| Deposition date deposition_date | 1995-03-02 |
| Structure title title | C-TERMINAL DOMAIN OF ESCHERICHIA COLI TOPOISOMERASE I |
| Keywords keywords | GENE-REGULATING PROTEIN, DNA BINDING PROTEIN; DNA BINDING PROTEIN |
| Experimental Method method | SOLUTION NMR |
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） | 16.45 Å |
| Rg (electron density) | 15.24 Å |
| Total Rg | 16.56 Å |
| Atom count | 1943 |
| Residues | 122 |
| Excluded volume | 17334 ų |
| Maximum q | 0.500 Å⁻¹ |
| Assembly | Model | Structure unit | Oligomeric description | Status | CRYSOL | Actions |
|---|---|---|---|---|---|---|
| 1 | 1 | 1yua__assembly_1__model_1 |
monomeric （1） | Success | 4.1.3-1-20251215 (887e7ef) | View Download |
| 1 | 2 | 1yua__assembly_1__model_2 |
monomeric （1） | Success | 4.1.3-1-20251215 (887e7ef) | View Download |
| 1 | 3 | 1yua__assembly_1__model_3 |
monomeric （1） | Success | 4.1.3-1-20251215 (887e7ef) | View Download |
| 1 | 4 | 1yua__assembly_1__model_4 |
monomeric （1） | Success | 4.1.3-1-20251215 (887e7ef) | View Download |
| 1 | 5 | 1yua__assembly_1__model_5 |
monomeric （1） | Success | 4.1.3-1-20251215 (887e7ef) | View Download |
| 1 | 6 | 1yua__assembly_1__model_6 |
monomeric （1） | Success | 4.1.3-1-20251215 (887e7ef) | View Download |
| 1 | 7 | 1yua__assembly_1__model_7 |
monomeric （1） | Success | 4.1.3-1-20251215 (887e7ef) | View Download |
| 1 | 8 | 1yua__assembly_1__model_8 |
monomeric （1） | Success | 4.1.3-1-20251215 (887e7ef) | View Download |
| 1 | 9 | 1yua__assembly_1__model_9 |
monomeric （1） | Success | 4.1.3-1-20251215 (887e7ef) | View Download |
| 1 | 10 | 1yua__assembly_1__model_10 |
monomeric （1） | Success | 4.1.3-1-20251215 (887e7ef) | View Download |
| 1 | 11 | 1yua__assembly_1__model_11 |
monomeric （1） | Success | 4.1.3-1-20251215 (887e7ef) | View Download |
| 1 | 12 | 1yua__assembly_1__model_12 |
monomeric （1） | Success | 4.1.3-1-20251215 (887e7ef) | View Download |
| 1 | 13 | 1yua__assembly_1__model_13 |
monomeric （1） | Success | 4.1.3-1-20251215 (887e7ef) | View Download |
| 1 | 14 | 1yua__assembly_1__model_14 |
monomeric （1） | Success | 4.1.3-1-20251215 (887e7ef) | View Download |
| 1 | 15 | 1yua__assembly_1__model_15 |
monomeric （1） | Success | 4.1.3-1-20251215 (887e7ef) | View Download |
| 1 | 16 | 1yua__assembly_1__model_16 |
monomeric （1） | Success | 4.1.3-1-20251215 (887e7ef) | View Download |
| 1 | 17 | 1yua__assembly_1__model_17 |
monomeric （1） | Success | 4.1.3-1-20251215 (887e7ef) | View Download |
| 1 | 18 | 1yua__assembly_1__model_18 |
monomeric （1） | Success | 4.1.3-1-20251215 (887e7ef) | View Download |
| 1 | 19 | 1yua__assembly_1__model_19 |
monomeric （1） | Success | 4.1.3-1-20251215 (887e7ef) | View Download |
| 1 | 20 | 1yua__assembly_1__model_20 |
monomeric （1） | Success | 4.1.3-1-20251215 (887e7ef) | View Download |
| 1 | 21 | 1yua__assembly_1__model_21 |
monomeric （1） | Success | 4.1.3-1-20251215 (887e7ef) | View Download |
| 1 | 22 | 1yua__assembly_1__model_22 |
monomeric （1） | Success | 4.1.3-1-20251215 (887e7ef) | View Download |
| 1 | 23 | 1yua__assembly_1__model_23 |
monomeric （1） | Success | 4.1.3-1-20251215 (887e7ef) | View Download |
| 1 | 24 | 1yua__assembly_1__model_24 |
monomeric （1） | Success | 4.1.3-1-20251215 (887e7ef) | View Download |
| 1 | 25 | 1yua__assembly_1__model_25 |
monomeric （1） | Success | 4.1.3-1-20251215 (887e7ef) | View Download |
| 1 | 26 | 1yua__assembly_1__model_26 |
monomeric （1） | Success | 4.1.3-1-20251215 (887e7ef) | View Download |
| Domain ID domain_id | d1yuaa1 |
| Class class | g — Small proteins |
| Fold Fold fold | g.41 — Rubredoxin-like |
| Superfamily Superfamily superfamily | g.41.3 — Zinc beta-ribbon |
| Family Family family | g.41.3.3 — Prokaryotic DNA topoisomerase I, a C-terminal fragment |
| Domain ID domain_id | d1yuaa2 |
| Class class | g — Small proteins |
| Fold Fold fold | g.41 — Rubredoxin-like |
| Superfamily Superfamily superfamily | g.41.3 — Zinc beta-ribbon |
| Family Family family | g.41.3.3 — Prokaryotic DNA topoisomerase I, a C-terminal fragment |
| Domain ID domain_id | 1yuaA01 |
| Class class | 3 — Alpha Beta |
| Architecture architecture | 30 — 2-Layer Sandwich |
| Topology topology | 65 — Bacterial Topoisomerase I; domain 1 |
| Homologous superfamily homologous superfamily | 10 — Bacterial Topoisomerase I, domain 1 |
| Domain ID domain_id | 1yuaA02 |
| Class class | 2 — Mainly Beta |
| Architecture architecture | 20 — Single Sheet |
| Topology topology | 25 — N-terminal domain of TfIIb |
| Homologous superfamily homologous superfamily | 10 — |