HOMO SAPIENS
| Assembly | Physical composition | Protein state | Molecular copy count | Associated components | Data consistency |
|---|---|---|---|---|---|
| 1 | Protein heterocomplex | Heteromer | Protein 2 | EPHRIN-A5 × 1 （P52803） | Consistent with protein count |
| UniProt name | EPHA4_HUMAN |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain A； PDBConstruct 32–559； UniProt 20–547 |
HOMO SAPIENS
| Assembly | Physical composition | Protein state | Molecular copy count | Associated components | Data consistency |
|---|---|---|---|---|---|
| 1 | Protein heterocomplex | Heteromer | Protein 2 | EPHRIN TYPE-A RECEPTOR 4 × 1 （P54764） | Consistent with protein count |
| UniProt name | EFNA5_HUMAN |
| Isoform | — |
| PDB entities | 2 |
| Chains and sequence ranges | Author chain C； PDBConstruct 32–171； UniProt 27–166 |
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 | 4bk5 |
| Deposition date deposition_date | 2013-04-22 |
| Structure title title | crystal structure of the human EphA4 ectodomain in complex with human ephrin A5 (amine-methylated sample) |
| Keywords keywords | ;SIGNALING PROTEIN, CELL ADHESION, CELL REPULSION, RECEPTOR CLUSTERING, RECEPTOR CIS INTERACTION, ERYTHROPOETIN-PRODUCING HEPATOCELLULAR RECEPTOR, LBD, EGF, FN ;; SIGNALING PROTEIN |
| 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） | 54.89 Å |
| Rg (electron density) | 56.30 Å |
| Total Rg | 55.85 Å |
| Atom count | 5087 |
| Residues | 644 |
| Excluded volume | 89505 ų |
| Maximum q | 0.500 Å⁻¹ |
| Domain ID domain_id | 4bk5A01 |
| Class class | 2 — Mainly Beta |
| Architecture architecture | 60 — Sandwich |
| Topology topology | 120 — Jelly Rolls |
| Homologous superfamily homologous superfamily | 260 — Galactose-binding domain-like |
| Domain ID domain_id | 4bk5A02 |
| Class class | 2 — Mainly Beta |
| Architecture architecture | 60 — Sandwich |
| Topology topology | 40 — Immunoglobulin-like |
| Homologous superfamily homologous superfamily | 1770 — ephrin a2 ectodomain |
| Domain ID domain_id | 4bk5A03 |
| Class class | 2 — Mainly Beta |
| Architecture architecture | 10 — Ribbon |
| Topology topology | 50 — Tumor Necrosis Factor Receptor, subunit A; domain 2 |
| Homologous superfamily homologous superfamily | 10 — Tumor Necrosis Factor Receptor, subunit A, domain 2 |
| Domain ID domain_id | 4bk5A04 |
| Class class | 2 — Mainly Beta |
| Architecture architecture | 60 — Sandwich |
| Topology topology | 40 — Immunoglobulin-like |
| Homologous superfamily homologous superfamily | 10 — Immunoglobulins |
| Domain ID domain_id | 4bk5A05 |
| Class class | 2 — Mainly Beta |
| Architecture architecture | 60 — Sandwich |
| Topology topology | 40 — Immunoglobulin-like |
| Homologous superfamily homologous superfamily | 10 — Immunoglobulins |
| Domain ID domain_id | 4bk5C00 |
| Class class | 2 — Mainly Beta |
| Architecture architecture | 60 — Sandwich |
| Topology topology | 40 — Immunoglobulin-like |
| Homologous superfamily homologous superfamily | 420 — Cupredoxins - blue copper proteins |