ESCHERICHIA COLI
| Assembly | Physical composition | Protein state | Molecular copy count | Associated components | Data consistency |
|---|---|---|---|---|---|
| 1 | Protein homooligomer | Homooligomer | Protein 4 | MAGNESIUM ION × 4 PHOSPHATE ION × 8 water × 4 | Consistent with protein count |
| UniProt name | NAGD_ECOLI |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain A； PDBConstruct 1–250； UniProt 1–250 |
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 | 2c4n |
| Deposition date deposition_date | 2005-10-20 |
| Structure title title | NagD from E.coli K-12 strain |
| Keywords keywords | NAGD, NUCLEOTIDE PHOSPHATASE, HAD SUPERFAMILY, UMP PHOSPHATASE, CARBOHYDRATE METABOLISM, 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） | 31.52 Å |
| Rg (electron density) | 30.65 Å |
| Total Rg | 31.41 Å |
| Atom count | 7692 |
| Residues | 1000 |
| Excluded volume | 137020 ų |
| Maximum q | 0.500 Å⁻¹ |
| Domain ID domain_id | d2c4na1 |
| Class class | c — Alpha and beta proteins (a/b) |
| Fold Fold fold | c.108 — HAD-like |
| Superfamily Superfamily superfamily | c.108.1 — HAD-like |
| Family Family family | c.108.1.14 — NagD-like |
| Domain ID domain_id | 2c4nA01 |
| Class class | 3 — Alpha Beta |
| Architecture architecture | 40 — 3-Layer(aba) Sandwich |
| Topology topology | 50 — Rossmann fold |
| Homologous superfamily homologous superfamily | 1000 — HAD superfamily/HAD-like |
| Domain ID domain_id | 2c4nA02 |
| Class class | 3 — Alpha Beta |
| Architecture architecture | 40 — 3-Layer(aba) Sandwich |
| Topology topology | 50 — Rossmann fold |
| Homologous superfamily homologous superfamily | 1000 — HAD superfamily/HAD-like |