Escherichia coli
| 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 | XERD_ECOLI |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain A； PDBConstruct 1–290； UniProt 3–292 |
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 | 1a0p |
| Deposition date deposition_date | 1997-12-05 |
| Structure title title | SITE-SPECIFIC RECOMBINASE, XERD |
| Keywords keywords | XERD, RECOMBINASE, DNA BINDING, DNA RECOMBINATION; DNA RECOMBINATION |
| 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） | 21.10 Å |
| Rg (electron density) | 20.01 Å |
| Total Rg | 20.88 Å |
| Atom count | 2205 |
| Residues | 271 |
| Excluded volume | 39274 ų |
| Maximum q | 0.500 Å⁻¹ |
| Domain ID domain_id | d1a0pa1 |
| Class class | a — All alpha proteins |
| Fold Fold fold | a.60 — SAM domain-like |
| Superfamily Superfamily superfamily | a.60.9 — lambda integrase-like, N-terminal domain |
| Family Family family | a.60.9.1 — lambda integrase-like, N-terminal domain |
| Domain ID domain_id | d1a0pa2 |
| Class class | d — Alpha and beta proteins (a+b) |
| Fold Fold fold | d.163 — DNA breaking-rejoining enzymes |
| Superfamily Superfamily superfamily | d.163.1 — DNA breaking-rejoining enzymes |
| Family Family family | d.163.1.1 — Lambda integrase-like, catalytic core |
| Domain ID domain_id | 1a0pA01 |
| Class class | 1 — Mainly Alpha |
| Architecture architecture | 10 — Orthogonal Bundle |
| Topology topology | 150 — DNA polymerase; domain 1 |
| Homologous superfamily homologous superfamily | 130 — Tyrosine recombinase, N-terminal domain |
| Domain ID domain_id | 1a0pA02 |
| Class class | 1 — Mainly Alpha |
| Architecture architecture | 10 — Orthogonal Bundle |
| Topology topology | 443 — hpI Integrase; Chain A |
| Homologous superfamily homologous superfamily | 10 — Intergrase catalytic core |