Arthrobacter sp.
| Assembly | Physical composition | Protein state | Molecular copy count | Associated components | Data consistency |
|---|---|---|---|---|---|
| 1 | Protein monomer | Monomer | Protein 1 | GLYCEROL × 5 water × 1 | Consistent with protein count |
| UniProt name | Q9REI6_ARTSP |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain A； PDBConstruct 1–435； UniProt 48–482 |
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 | 1kfw |
| Deposition date deposition_date | 2001-11-23 |
| Structure title title | Structure of catalytic domain of psychrophilic chitinase B from Arthrobacter TAD20 |
| Keywords keywords | TIM barrel, HYDROLASE; HYDROLASE |
| 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） | 21.66 Å |
| Rg (electron density) | 20.53 Å |
| Total Rg | 21.47 Å |
| Atom count | 3317 |
| Residues | 435 |
| Excluded volume | 58197 ų |
| Maximum q | 0.500 Å⁻¹ |
| Domain ID domain_id | d1kfwa1 |
| Class class | c — Alpha and beta proteins (a/b) |
| Fold Fold fold | c.1 — TIM beta/alpha-barrel |
| Superfamily Superfamily superfamily | c.1.8 — (Trans)glycosidases |
| Family Family family | c.1.8.5 — Type II chitinase |
| Domain ID domain_id | d1kfwa2 |
| Class class | d — Alpha and beta proteins (a+b) |
| Fold Fold fold | d.26 — FKBP-like |
| Superfamily Superfamily superfamily | d.26.3 — Chitinase insertion domain |
| Family Family family | d.26.3.1 — Chitinase insertion domain |
| Domain ID domain_id | 1kfwA01 |
| Class class | 3 — Alpha Beta |
| Architecture architecture | 20 — Alpha-Beta Barrel |
| Topology topology | 20 — TIM Barrel |
| Homologous superfamily homologous superfamily | 80 — Glycosidases |
| Domain ID domain_id | 1kfwA02 |
| Class class | 3 — Alpha Beta |
| Architecture architecture | 10 — Roll |
| Topology topology | 50 — Chitinase A; domain 3 |
| Homologous superfamily homologous superfamily | 10 — |