Carica papaya
| Assembly | Physical composition | Protein state | Molecular copy count | Associated components | Data consistency |
|---|---|---|---|---|---|
| 1 | Protein heterocomplex | Heteromer | Protein 2 | STEFIN B (CYSTATIN B) × 1 （P04080） water × 2 | Consistent with protein count |
| UniProt name | PAPA1_CARPA |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain E； PDBConstruct 1–212； UniProt 134–345 |
Homo sapiens
| Assembly | Physical composition | Protein state | Molecular copy count | Associated components | Data consistency |
|---|---|---|---|---|---|
| 1 | Protein heterocomplex | Heteromer | Protein 2 | PAPAIN × 1 （P00784） water × 2 | Consistent with protein count |
| UniProt name | CYTB_HUMAN |
| Isoform | — |
| PDB entities | 2 |
| Chains and sequence ranges | Author chain I； PDBConstruct 1–98； UniProt 1–98 |
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 | 1stf |
| Deposition date deposition_date | 1993-04-21 |
| Structure title title | THE REFINED 2.4 ANGSTROMS X-RAY CRYSTAL STRUCTURE OF RECOMBINANT HUMAN STEFIN B IN COMPLEX WITH THE CYSTEINE PROTEINASE PAPAIN: A NOVEL TYPE OF PROTEINASE INHIBITOR INTERACTION |
| Keywords keywords | HYDROLASE(SULFHYDRYL PROTEINASE); HYDROLASE(SULFHYDRYL PROTEINASE) |
| 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） | 21.42 Å |
| Rg (electron density) | 20.72 Å |
| Total Rg | 21.50 Å |
| Atom count | 2448 |
| Residues | 309 |
| Excluded volume | 43243 ų |
| Maximum q | 0.500 Å⁻¹ |
| Domain ID domain_id | d1stfe_ |
| Class class | d — Alpha and beta proteins (a+b) |
| Fold Fold fold | d.3 — Cysteine proteinases |
| Superfamily Superfamily superfamily | d.3.1 — Cysteine proteinases |
| Family Family family | d.3.1.1 — Papain-like |
| Domain ID domain_id | d1stfi_ |
| Class class | d — Alpha and beta proteins (a+b) |
| Fold Fold fold | d.17 — Cystatin-like |
| Superfamily Superfamily superfamily | d.17.1 — Cystatin/monellin |
| Family Family family | d.17.1.2 — Cystatins |
| Domain ID domain_id | 1stfE00 |
| Class class | 3 — Alpha Beta |
| Architecture architecture | 90 — Alpha-Beta Complex |
| Topology topology | 70 — Cathepsin B; Chain A |
| Homologous superfamily homologous superfamily | 10 — Cysteine proteinases |
| Domain ID domain_id | 1stfI00 |
| Class class | 3 — Alpha Beta |
| Architecture architecture | 10 — Roll |
| Topology topology | 450 — Nuclear Transport Factor 2; Chain: A, |
| Homologous superfamily homologous superfamily | 10 — |