Homo sapiens
| 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 | A1AT_HUMAN |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain A； PDBConstruct 1–394； UniProt 25–418 |
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 | 2qug |
| Deposition date deposition_date | 2007-08-05 |
| Structure title title | Crystal structure of alpha-1-antitrypsin, crystal form A |
| Keywords keywords | ;antitrypsin, polymerisation, protein aggregation, protein unfolding, serpin, Acute phase, Disease mutation, Glycoprotein, Protease inhibitor, Secreted, Serine protease inhibitor ;; Protease Inhibitor |
| 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） | 22.93 Å |
| Rg (electron density) | 21.61 Å |
| Total Rg | 22.67 Å |
| Atom count | 2928 |
| Residues | 368 |
| Excluded volume | 52668 ų |
| Maximum q | 0.500 Å⁻¹ |
| Domain ID domain_id | d2quga_ |
| Class class | e — Multi-domain proteins (alpha and beta) |
| Fold Fold fold | e.1 — Serpins |
| Superfamily Superfamily superfamily | e.1.1 — Serpins |
| Family Family family | e.1.1.1 — Serpins |
| Domain ID domain_id | 2qugA01 |
| Class class | 3 — Alpha Beta |
| Architecture architecture | 30 — 2-Layer Sandwich |
| Topology topology | 497 — Antithrombin; Chain I, domain 2 |
| Homologous superfamily homologous superfamily | 10 — Antithrombin, subunit I, domain 2 |
| Domain ID domain_id | 2qugA02 |
| Class class | 2 — Mainly Beta |
| Architecture architecture | 30 — Roll |
| Topology topology | 39 — Alpha-1-antitrypsin; domain 1 |
| Homologous superfamily homologous superfamily | 10 — Alpha-1-antitrypsin, domain 1 |