Escherichia coli
| Assembly | Physical composition | Protein state | Molecular copy count | Associated components | Data consistency |
|---|---|---|---|---|---|
| 1 | Protein monomer | Monomer | Protein 1 | MAGNESIUM ION × 1 water × 1 | Consistent with protein count |
| UniProt name | EX1_ECOLI |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain A； PDBConstruct 1–475； UniProt 1–475 |
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 | 3c95 |
| Deposition date deposition_date | 2008-02-15 |
| Structure title title | Exonuclease I (apo) |
| Keywords keywords | Exonuclease, SSB, genome maintenance, DNA damage, DNA repair, Hydrolase; HYDROLASE |
| 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） | 25.20 Å |
| Rg (electron density) | 24.15 Å |
| Total Rg | 25.10 Å |
| Atom count | 3627 |
| Residues | 446 |
| Excluded volume | 64237 ų |
| Maximum q | 0.500 Å⁻¹ |
| Domain ID domain_id | d3c95a2 |
| Class class | c — Alpha and beta proteins (a/b) |
| Fold Fold fold | c.55 — Ribonuclease H-like motif |
| Superfamily Superfamily superfamily | c.55.3 — Ribonuclease H-like |
| Family Family family | c.55.3.5 — DnaQ-like 3'-5' exonuclease |
| Domain ID domain_id | d3c95a3 |
| 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 | 3c95A01 |
| Class class | 3 — Alpha Beta |
| Architecture architecture | 30 — 2-Layer Sandwich |
| Topology topology | 420 — Nucleotidyltransferase; domain 5 |
| Homologous superfamily homologous superfamily | 10 — Ribonuclease H-like superfamily/Ribonuclease H |
| Domain ID domain_id | 3c95A02 |
| Class class | 3 — Alpha Beta |
| Architecture architecture | 30 — 2-Layer Sandwich |
| Topology topology | 1520 — PX Domain |
| Homologous superfamily homologous superfamily | 20 — Exonuclease ExoI, domain 2 |
| Domain ID domain_id | 3c95A03 |
| Class class | 1 — Mainly Alpha |
| Architecture architecture | 20 — Up-down Bundle |
| Topology topology | 1280 — Monooxygenase |
| Homologous superfamily homologous superfamily | 70 — Exonuclease ExoI, domain 3 |
| Domain ID domain_id | 3c95A04 |
| Class class | 1 — Mainly Alpha |
| Architecture architecture | 10 — Orthogonal Bundle |
| Topology topology | 287 — Helix Hairpins |
| Homologous superfamily homologous superfamily | 1240 — |