Salmonella typhimurium
| Assembly | Physical composition | Protein state | Molecular copy count | Associated components | Data consistency |
|---|---|---|---|---|---|
| 1 | Protein monomer | Monomer | Protein 1 | water × 1 | Consistent with protein count |
| UniProt name | CHEB_SALTY |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain A； PDBConstruct 1–203； UniProt 147–349 |
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 | 1chd |
| Deposition date deposition_date | 1995-03-09 |
| Structure title title | CHEB METHYLESTERASE DOMAIN |
| Keywords keywords | CHEMOTAXIS PROTEIN, SERINE HYDROLASE, CARBOXYL METHYLESTERASE; CARBOXYL METHYLESTERASE |
| 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） | 16.65 Å |
| Rg (electron density) | 15.29 Å |
| Total Rg | 16.39 Å |
| Atom count | 1469 |
| Residues | 198 |
| Excluded volume | 26126 ų |
| Maximum q | 0.500 Å⁻¹ |
| Domain ID domain_id | d1chda_ |
| Class class | c — Alpha and beta proteins (a/b) |
| Fold Fold fold | c.40 — Methylesterase CheB, C-terminal domain |
| Superfamily Superfamily superfamily | c.40.1 — Methylesterase CheB, C-terminal domain |
| Family Family family | c.40.1.1 — Methylesterase CheB, C-terminal domain |
| Domain ID domain_id | 1chdA00 |
| Class class | 3 — Alpha Beta |
| Architecture architecture | 40 — 3-Layer(aba) Sandwich |
| Topology topology | 50 — Rossmann fold |
| Homologous superfamily homologous superfamily | 180 — Methylesterase CheB, C-terminal domain |