Homo sapiens
| Assembly | Physical composition | Protein state | Molecular copy count | Associated components | Data consistency |
|---|---|---|---|---|---|
| 1 | Protein heterocomplex | Heteromer | Protein 2 | Interleukin-2 receptor alpha chain × 1 （P01589） | Consistent with protein count |
| UniProt name | IL2_HUMAN |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain A； PDBConstruct 1–133； UniProt 21–153 |
Homo sapiens
| Assembly | Physical composition | Protein state | Molecular copy count | Associated components | Data consistency |
|---|---|---|---|---|---|
| 1 | Protein heterocomplex | Heteromer | Protein 2 | Interleukin-2 × 1 （P60568） | Consistent with protein count |
| UniProt name | IL2RA_HUMAN |
| Isoform | — |
| PDB entities | 2 |
| Chains and sequence ranges | Author chain B； PDBConstruct 3–219； UniProt 22–238 |
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 | 1z92 |
| Deposition date deposition_date | 2005-03-31 |
| Structure title title | structure of interleukin-2 with its alpha receptor |
| Keywords keywords | Interleukin-2, interleukin-2 alpha receptor, IMMUNE SYSTEM; IMMUNE SYSTEM |
| 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） | 21.61 Å |
| Rg (electron density) | 20.98 Å |
| Total Rg | 21.87 Å |
| Atom count | 1971 |
| Residues | 244 |
| Excluded volume | 35262 ų |
| Maximum q | 0.500 Å⁻¹ |
| Domain ID domain_id | d1z92a_ |
| Class class | a — All alpha proteins |
| Fold Fold fold | a.26 — 4-helical cytokines |
| Superfamily Superfamily superfamily | a.26.1 — 4-helical cytokines |
| Family Family family | a.26.1.2 — Short-chain cytokines |
| Domain ID domain_id | d1z92b1 |
| Class class | g — Small proteins |
| Fold Fold fold | g.18 — Complement control module/SCR domain |
| Superfamily Superfamily superfamily | g.18.1 — Complement control module/SCR domain |
| Family Family family | g.18.1.1 — Complement control module/SCR domain |
| Domain ID domain_id | d1z92b2 |
| Class class | g — Small proteins |
| Fold Fold fold | g.18 — Complement control module/SCR domain |
| Superfamily Superfamily superfamily | g.18.1 — Complement control module/SCR domain |
| Family Family family | g.18.1.1 — Complement control module/SCR domain |
| Domain ID domain_id | d1z92b3 |
| Class class | l — Artifacts |
| Fold Fold fold | l.1 — Tags |
| Superfamily Superfamily superfamily | l.1.1 — Tags |
| Family Family family | l.1.1.1 — Tags |
| Domain ID domain_id | 1z92A00 |
| Class class | 1 — Mainly Alpha |
| Architecture architecture | 20 — Up-down Bundle |
| Topology topology | 1250 — Growth Hormone; Chain: A; |
| Homologous superfamily homologous superfamily | 10 — |
| Domain ID domain_id | 1z92B01 |
| Class class | 2 — Mainly Beta |
| Architecture architecture | 10 — Ribbon |
| Topology topology | 70 — Complement Module; domain 1 |
| Homologous superfamily homologous superfamily | 10 — Complement Module, domain 1 |
| Domain ID domain_id | 1z92B02 |
| Class class | 2 — Mainly Beta |
| Architecture architecture | 20 — Single Sheet |
| Topology topology | 28 — Rubrerythrin, domain 2 |
| Homologous superfamily homologous superfamily | 230 — |