Drosophila melanogaster
| 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 | SCM_DROME |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain A； PDBConstruct 5–265； UniProt 175–435 |
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 | 2r57 |
| Deposition date deposition_date | 2007-09-03 |
| Structure title title | Crystal Structure of the two MBT repeats from Sex-Comb on Midleg (SCM) |
| Keywords keywords | ;MBT repeat, Polycomb, Sex Comb on Midleg, Chromatin regulator, Developmental protein, Metal-binding, Nucleus, Repressor, Transcription, Transcription regulation ;; TRANSCRIPTION |
| 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） | 19.43 Å |
| Rg (electron density) | 18.49 Å |
| Total Rg | 19.45 Å |
| Atom count | 1642 |
| Residues | 210 |
| Excluded volume | 28948 ų |
| Maximum q | 0.500 Å⁻¹ |
| Domain ID domain_id | d2r57a1 |
| Class class | b — All beta proteins |
| Fold Fold fold | b.34 — SH3-like barrel |
| Superfamily Superfamily superfamily | b.34.9 — Tudor/PWWP/MBT |
| Family Family family | b.34.9.0 — automated matches |
| Domain ID domain_id | d2r57a2 |
| Class class | b — All beta proteins |
| Fold Fold fold | b.34 — SH3-like barrel |
| Superfamily Superfamily superfamily | b.34.9 — Tudor/PWWP/MBT |
| Family Family family | b.34.9.0 — automated matches |
| Domain ID domain_id | d2r57a3 |
| 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 | 2r57A01 |
| Class class | 2 — Mainly Beta |
| Architecture architecture | 30 — Roll |
| Topology topology | 30 — SH3 type barrels. |
| Homologous superfamily homologous superfamily | 140 — |
| Domain ID domain_id | 2r57A02 |
| Class class | 2 — Mainly Beta |
| Architecture architecture | 30 — Roll |
| Topology topology | 30 — SH3 type barrels. |
| Homologous superfamily homologous superfamily | 140 — |