Streptococcus mutans
| 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 | Q8DUW5_STRMU |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain A； PDBConstruct 1–385； UniProt 1–385 |
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 | 2b78 |
| Deposition date deposition_date | 2005-10-03 |
| Structure title title | A putative sam-dependent methyltransferase from Streptococcus mutans |
| Keywords keywords | structure genomics, METHYLTRANSFERASE, caries, STRUCTURAL GENOMICS, UNKNOWN FUNCTION; STRUCTURAL GENOMICS, UNKNOWN FUNCTION |
| 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） | 23.05 Å |
| Rg (electron density) | 22.19 Å |
| Total Rg | 23.24 Å |
| Atom count | 3014 |
| Residues | 376 |
| Excluded volume | 53973 ų |
| Maximum q | 0.500 Å⁻¹ |
| Domain ID domain_id | d2b78a1 |
| Class class | b — All beta proteins |
| Fold Fold fold | b.122 — PUA domain-like |
| Superfamily Superfamily superfamily | b.122.1 — PUA domain-like |
| Family Family family | b.122.1.9 — Hypothetical RNA methyltransferase domain (HRMD) |
| Domain ID domain_id | d2b78a2 |
| Class class | c — Alpha and beta proteins (a/b) |
| Fold Fold fold | c.66 — S-adenosyl-L-methionine-dependent methyltransferases |
| Superfamily Superfamily superfamily | c.66.1 — S-adenosyl-L-methionine-dependent methyltransferases |
| Family Family family | c.66.1.51 — hypothetical RNA methyltransferase |
| Domain ID domain_id | 2b78A01 |
| Class class | 2 — Mainly Beta |
| Architecture architecture | 30 — Roll |
| Topology topology | 130 — Archaeosine Trna-guanine Transglycosylase; Chain: A, domain 4 |
| Homologous superfamily homologous superfamily | 10 — PUA domain |
| Domain ID domain_id | 2b78A02 |
| Class class | 3 — Alpha Beta |
| Architecture architecture | 30 — 2-Layer Sandwich |
| Topology topology | 750 — Transcription Regulator spoIIAA |
| Homologous superfamily homologous superfamily | 80 — RNA methyltransferase domain (HRMD) like |
| Domain ID domain_id | 2b78A03 |
| Class class | 3 — Alpha Beta |
| Architecture architecture | 40 — 3-Layer(aba) Sandwich |
| Topology topology | 50 — Rossmann fold |
| Homologous superfamily homologous superfamily | 150 — Vaccinia Virus protein VP39 |