Escherichia coli K-12
| Assembly | Physical composition | Protein state | Molecular copy count | Associated components | Data consistency |
|---|---|---|---|---|---|
| 1 | Protein homooligomer | Homooligomer | Protein 3 | water × 3 | Consistent with protein count |
| UniProt name | PYRB_ECOLI |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain A； PDBConstruct 1–310； UniProt 2–311 |
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 | 6kj7 |
| Deposition date deposition_date | 2019-07-21 |
| Structure title title | E. coli ATCase catalytic subunit mutant - G166P |
| Keywords keywords | aspartate transcarbamoylase catalytic subunit, de novo pyrimidine biosynthesis, TRANSFERASE; TRANSFERASE |
| 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） | 31.91 Å |
| Rg (electron density) | 31.09 Å |
| Total Rg | 31.60 Å |
| Atom count | 6606 |
| Residues | 843 |
| Excluded volume | 117700 ų |
| Maximum q | 0.500 Å⁻¹ |
| Domain ID domain_id | 6kj7A01 |
| Class class | 3 — Alpha Beta |
| Architecture architecture | 40 — 3-Layer(aba) Sandwich |
| Topology topology | 50 — Rossmann fold |
| Homologous superfamily homologous superfamily | 1370 — Aspartate/ornithine carbamoyltransferase |
| Domain ID domain_id | 6kj7A02 |
| Class class | 3 — Alpha Beta |
| Architecture architecture | 40 — 3-Layer(aba) Sandwich |
| Topology topology | 50 — Rossmann fold |
| Homologous superfamily homologous superfamily | 1370 — Aspartate/ornithine carbamoyltransferase |