Escherichia coli
| Assembly | Physical composition | Protein state | Molecular copy count | Associated components | Data consistency |
|---|---|---|---|---|---|
| 1 | Protein monomer | Monomer | Protein 1 | PHOSPHATE ION × 2 water × 1 | Consistent with protein count |
| UniProt name | TRPC_ECOLI |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain A； PDBConstruct 1–452； UniProt 2–453 |
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 | 1pii |
| Deposition date deposition_date | 1991-06-21 |
| Structure title title | THREE-DIMENSIONAL STRUCTURE OF THE BIFUNCTIONAL ENZYME PHOSPHORIBOSYLANTHRANILATE ISOMERASE: INDOLEGLYCEROLPHOSPHATE SYNTHASE FROM ESCHERICHIA COLI REFINED AT 2.0 ANGSTROMS RESOLUTION |
| Keywords keywords | BIFUNCTIONAL(ISOMERASE AND SYNTHASE); BIFUNCTIONAL(ISOMERASE AND SYNTHASE) |
| 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） | 25.56 Å |
| Rg (electron density) | 24.72 Å |
| Total Rg | 25.48 Å |
| Atom count | 3488 |
| Residues | 452 |
| Excluded volume | 61847 ų |
| Maximum q | 0.500 Å⁻¹ |
| Domain ID domain_id | d1piia1 |
| Class class | c — Alpha and beta proteins (a/b) |
| Fold Fold fold | c.1 — TIM beta/alpha-barrel |
| Superfamily Superfamily superfamily | c.1.2 — Ribulose-phoshate binding barrel |
| Family Family family | c.1.2.4 — Tryptophan biosynthesis enzymes |
| Domain ID domain_id | d1piia2 |
| Class class | c — Alpha and beta proteins (a/b) |
| Fold Fold fold | c.1 — TIM beta/alpha-barrel |
| Superfamily Superfamily superfamily | c.1.2 — Ribulose-phoshate binding barrel |
| Family Family family | c.1.2.4 — Tryptophan biosynthesis enzymes |
| Domain ID domain_id | 1piiA01 |
| Class class | 3 — Alpha Beta |
| Architecture architecture | 20 — Alpha-Beta Barrel |
| Topology topology | 20 — TIM Barrel |
| Homologous superfamily homologous superfamily | 70 — Aldolase class I |
| Domain ID domain_id | 1piiA02 |
| Class class | 3 — Alpha Beta |
| Architecture architecture | 20 — Alpha-Beta Barrel |
| Topology topology | 20 — TIM Barrel |
| Homologous superfamily homologous superfamily | 70 — Aldolase class I |