Simian virus 40
| Assembly | Physical composition | Protein state | Molecular copy count | Associated components | Data consistency |
|---|---|---|---|---|---|
| 1 | Protein monomer | Monomer | Protein 1 | THIOCYANATE ION × 1 water × 1 | Consistent with protein count |
| UniProt name | LT_SV40 |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain A； PDBConstruct 3–132； UniProt 131–260 |
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 | 3qk2 |
| Deposition date deposition_date | 2011-01-31 |
| Structure title title | Structure-Based Analysis of the Interaction between the Simian Virus 40 T-Antigen Origin Binding Domain and Single-Stranded DNA |
| Keywords keywords | origin binding domain, DNA replication, DNA BINDING PROTEIN; DNA BINDING 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） | 15.65 Å |
| Rg (electron density) | 14.13 Å |
| Total Rg | 15.46 Å |
| Atom count | 1068 |
| Residues | 131 |
| Excluded volume | 19109 ų |
| Maximum q | 0.500 Å⁻¹ |
| Domain ID domain_id | d3qk2a1 |
| Class class | d — Alpha and beta proteins (a+b) |
| Fold Fold fold | d.89 — Origin of replication-binding domain, RBD-like |
| Superfamily Superfamily superfamily | d.89.1 — Origin of replication-binding domain, RBD-like |
| Family Family family | d.89.1.1 — The origin DNA-binding domain of SV40 T-antigen |
| Domain ID domain_id | d3qk2a2 |
| Class class | l — Artifacts |
| Fold Fold fold | l.1 — Tags |
| Superfamily Superfamily superfamily | l.1.1 — Tags |
| Family Family family | l.1.1.1 — Tags |
| Domain ID domain_id | d3qk2a3 |
| Class class | l — Artifacts |
| Fold Fold fold | l.1 — Tags |
| Superfamily Superfamily superfamily | l.1.1 — Tags |
| Family Family family | l.1.1.1 — Tags |
| Domain ID domain_id | 3qk2A00 |
| Class class | 3 — Alpha Beta |
| Architecture architecture | 40 — 3-Layer(aba) Sandwich |
| Topology topology | 1310 — Replication Protein E1; Chain: A, |
| Homologous superfamily homologous superfamily | 20 — |