Sus scrofa
| 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 | PEPA_PIG |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain A； PDBConstruct 45–370； UniProt 16–386 |
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 | 3psg |
| Deposition date deposition_date | 1991-09-03 |
| Structure title title | THE HIGH RESOLUTION CRYSTAL STRUCTURE OF PORCINE PEPSINOGEN |
| Keywords keywords | HYDROLASE(ACID PROTEINASE ZYMOGEN); HYDROLASE(ACID PROTEINASE ZYMOGEN) |
| 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） | 21.07 Å |
| Rg (electron density) | 19.72 Å |
| Total Rg | 20.65 Å |
| Atom count | 2692 |
| Residues | 365 |
| Excluded volume | 47638 ų |
| Maximum q | 0.500 Å⁻¹ |
| Domain ID domain_id | d3psga_ |
| Class class | b — All beta proteins |
| Fold Fold fold | b.50 — Acid proteases |
| Superfamily Superfamily superfamily | b.50.1 — Acid proteases |
| Family Family family | b.50.1.2 — Pepsin-like |
| Domain ID domain_id | 3psgA01 |
| Class class | 2 — Mainly Beta |
| Architecture architecture | 40 — Beta Barrel |
| Topology topology | 70 — Cathepsin D, subunit A; domain 1 |
| Homologous superfamily homologous superfamily | 10 — Acid Proteases |
| Domain ID domain_id | 3psgA02 |
| Class class | 2 — Mainly Beta |
| Architecture architecture | 40 — Beta Barrel |
| Topology topology | 70 — Cathepsin D, subunit A; domain 1 |
| Homologous superfamily homologous superfamily | 10 — Acid Proteases |