Escherichia coli
| Assembly | Physical composition | Protein state | Molecular copy count | Associated components | Data consistency |
|---|---|---|---|---|---|
| 1 | Protein heterocomplex | Heteromer | Protein 2 | Colicin E7 × 1 （Q47112） water × 2 | Consistent with protein count |
| UniProt name | IMM7_ECOLI |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain A； PDBConstruct 1–87； UniProt 1–87 |
Escherichia coli
| Assembly | Physical composition | Protein state | Molecular copy count | Associated components | Data consistency |
|---|---|---|---|---|---|
| 1 | Protein heterocomplex | Heteromer | Protein 2 | Colicin E7 immunity protein × 1 （Q03708） water × 2 | Consistent with protein count |
| UniProt name | CEA7_ECOLI |
| Isoform | — |
| PDB entities | 2 |
| Chains and sequence ranges | Author chain B； PDBConstruct 1–127； UniProt 447–573 |
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 | 2erh |
| Deposition date deposition_date | 2005-10-24 |
| Structure title title | Crystal Structure of the E7_G/Im7_G complex; a designed interface between the colicin E7 DNAse and the Im7 immunity protein |
| Keywords keywords | ;computational design, redesigned protein-protein interface, hydrogen bond network, specificity, molecular recognition, protein complex, HYDROLASE-HYDROLASE INHIBITOR COMPLEX ;; HYDROLASE/HYDROLASE INHIBITOR |
| 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） | 19.62 Å |
| Rg (electron density) | 18.91 Å |
| Total Rg | 19.77 Å |
| Atom count | 1722 |
| Residues | 214 |
| Excluded volume | 30275 ų |
| Maximum q | 0.500 Å⁻¹ |
| Domain ID domain_id | 2erhA00 |
| Class class | 1 — Mainly Alpha |
| Architecture architecture | 10 — Orthogonal Bundle |
| Topology topology | 1200 — Non-ribosomal Peptide Synthetase Peptidyl Carrier Protein; Chain A |
| Homologous superfamily homologous superfamily | 20 — Colicin E immunity protein |
| Domain ID domain_id | 2erhB00 |
| Class class | 3 — Alpha Beta |
| Architecture architecture | 90 — Alpha-Beta Complex |
| Topology topology | 540 — Colicin E7 immunity protein; Chain B, fragment: Endonuclease domain |
| Homologous superfamily homologous superfamily | 10 — Colicin/pyocin, DNase domain |