Escherichia coli
| Assembly | Physical composition | Protein state | Molecular copy count | Associated components | Data consistency |
|---|---|---|---|---|---|
| 1 | Protein homooligomer | Homooligomer | Protein 2 | SULFATE ION × 6 water × 2 | Consistent with protein count |
| UniProt name | TRPB_ECOLI |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain A； PDBConstruct 1–397； UniProt 1–397 |
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 | 2dh6 |
| Deposition date deposition_date | 2006-03-23 |
| Structure title title | Crystal structure of E. coli Apo-TrpB |
| Keywords keywords | ;Tryptophan synthase, beta-chain, PLP, Lyase, Structural Genomics, NPPSFA, National Project on Protein Structural and Functional Analyses, RIKEN Structural Genomics/Proteomics Initiative, RSGI ;; LYASE |
| 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） | 26.63 Å |
| Rg (electron density) | 25.74 Å |
| Total Rg | 26.45 Å |
| Atom count | 5058 |
| Residues | 662 |
| Excluded volume | 89639 ų |
| Maximum q | 0.500 Å⁻¹ |
| Domain ID domain_id | d2dh6a_ |
| Class class | c — Alpha and beta proteins (a/b) |
| Fold Fold fold | c.79 — Tryptophan synthase beta subunit-like PLP-dependent enzymes |
| Superfamily Superfamily superfamily | c.79.1 — Tryptophan synthase beta subunit-like PLP-dependent enzymes |
| Family Family family | c.79.1.1 — Tryptophan synthase beta subunit-like PLP-dependent enzymes |
| Domain ID domain_id | 2dh6A01 |
| Class class | 3 — Alpha Beta |
| Architecture architecture | 40 — 3-Layer(aba) Sandwich |
| Topology topology | 50 — Rossmann fold |
| Homologous superfamily homologous superfamily | 1100 — |
| Domain ID domain_id | 2dh6A02 |
| Class class | 3 — Alpha Beta |
| Architecture architecture | 40 — 3-Layer(aba) Sandwich |
| Topology topology | 50 — Rossmann fold |
| Homologous superfamily homologous superfamily | 1100 — |