Streptococcus mutans
| Assembly | Physical composition | Protein state | Molecular copy count | Associated components | Data consistency |
|---|---|---|---|---|---|
| 1 | Protein monomer | Monomer | Protein 1 | SODIUM ION × 1 water × 1 | Consistent with protein count |
| UniProt name | PAC_STRMU |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain A； PDBConstruct 1–377； UniProt 463–839 |
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 | 1jmm |
| Deposition date deposition_date | 2001-07-19 |
| Structure title title | Crystal structure of the V-region of Streptococcus mutans antigen I/II |
| Keywords keywords | Antigen I/II, V-region, IMMUNE SYSTEM, MEMBRANE PROTEIN; IMMUNE SYSTEM, MEMBRANE 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） | 22.41 Å |
| Rg (electron density) | 21.64 Å |
| Total Rg | 22.50 Å |
| Atom count | 2909 |
| Residues | 370 |
| Excluded volume | 51607 ų |
| Maximum q | 0.500 Å⁻¹ |
| Domain ID domain_id | d1jmma_ |
| Class class | b — All beta proteins |
| Fold Fold fold | b.30 — Supersandwich |
| Superfamily Superfamily superfamily | b.30.6 — V-region of surface antigen I/II (SA I/II, PAC) |
| Family Family family | b.30.6.1 — V-region of surface antigen I/II (SA I/II, PAC) |
| Domain ID domain_id | 1jmmA01 |
| Class class | 1 — Mainly Alpha |
| Architecture architecture | 20 — Up-down Bundle |
| Topology topology | 5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces |
| Homologous superfamily homologous superfamily | 250 — |
| Domain ID domain_id | 1jmmA02 |
| Class class | 2 — Mainly Beta |
| Architecture architecture | 60 — Sandwich |
| Topology topology | 530 — Major cell-surface adhesin PAc |
| Homologous superfamily homologous superfamily | 10 — Major cell-surface adhesin PAc |