OrganismNot specified
| Assembly | Physical composition | Protein state | Molecular copy count | Associated components | Data consistency |
|---|---|---|---|---|---|
| 1 | Protein homooligomer | Homooligomer | Protein 2 | water × 2 | Consistent with protein count |
| UniProt name | DTX_CORBE |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain A； PDBConstruct 1–535； UniProt 26–560 |
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 | 1sgk |
| Deposition date deposition_date | 1996-09-12 |
| Structure title title | NUCLEOTIDE-FREE DIPHTHERIA TOXIN |
| Keywords keywords | TOXIN, ADP-RIBOSYLATION, TRANSFERASE, GLYCOSYLTRANSFERASE, NAD, ADP-RIBOSYL TRANSFERASE; TOXIN |
| 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） | 33.59 Å |
| Rg (electron density) | 32.83 Å |
| Total Rg | 33.44 Å |
| Atom count | 8042 |
| Residues | 1046 |
| Excluded volume | 142460 ų |
| Maximum q | 0.500 Å⁻¹ |
| Domain ID domain_id | d1sgka1 |
| Class class | b — All beta proteins |
| Fold Fold fold | b.2 — Common fold of diphtheria toxin/transcription factors/cytochrome f |
| Superfamily Superfamily superfamily | b.2.1 — Diphtheria toxin, C-terminal domain |
| Family Family family | b.2.1.1 — Diphtheria toxin, C-terminal domain |
| Domain ID domain_id | d1sgka2 |
| Class class | d — Alpha and beta proteins (a+b) |
| Fold Fold fold | d.166 — ADP-ribosylation |
| Superfamily Superfamily superfamily | d.166.1 — ADP-ribosylation |
| Family Family family | d.166.1.1 — ADP-ribosylating toxins |
| Domain ID domain_id | d1sgka3 |
| Class class | f — Membrane and cell surface proteins and peptides |
| Fold Fold fold | f.1 — Toxins' membrane translocation domains |
| Superfamily Superfamily superfamily | f.1.2 — Diphtheria toxin, middle domain |
| Family Family family | f.1.2.1 — Diphtheria toxin, middle domain |
| Domain ID domain_id | 1sgkA01 |
| Class class | 3 — Alpha Beta |
| Architecture architecture | 90 — Alpha-Beta Complex |
| Topology topology | 175 — Diphtheria Toxin; domain 1 |
| Homologous superfamily homologous superfamily | 10 — Diphtheria Toxin, domain 1 |
| Domain ID domain_id | 1sgkA02 |
| Class class | 1 — Mainly Alpha |
| Architecture architecture | 10 — Orthogonal Bundle |
| Topology topology | 490 — Globin-like |
| Homologous superfamily homologous superfamily | 40 — Diphtheria toxin, translocation domain |
| Domain ID domain_id | 1sgkA03 |
| Class class | 2 — Mainly Beta |
| Architecture architecture | 60 — Sandwich |
| Topology topology | 40 — Immunoglobulin-like |
| Homologous superfamily homologous superfamily | 700 — Diphtheria toxin, receptor-binding domain |