Bacillus subtilis
| Assembly | Physical composition | Protein state | Molecular copy count | Associated components | Data consistency |
|---|---|---|---|---|---|
| 1 | Protein homooligomer | Homooligomer | Protein 2 | SULFATE ION × 8 | Consistent with protein count |
| UniProt name | SECA_BACSU |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain A； PDBConstruct 1–841； UniProt 1–841 |
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 | 3iqy |
| Deposition date deposition_date | 2009-08-21 |
| Structure title title | Active site mutants of B. subtilis SecA |
| Keywords keywords | alpha beta, ATP-binding, Cell membrane, Membrane, Metal-binding, Nucleotide-binding, Protein transport, Translocation, Transport; PROTEIN TRANSPORT |
| 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） | 38.78 Å |
| Rg (electron density) | 38.29 Å |
| Total Rg | 38.72 Å |
| Atom count | 12838 |
| Residues | 1604 |
| Excluded volume | 227610 ų |
| Maximum q | 0.500 Å⁻¹ |
| Domain ID domain_id | 3iqyA01 |
| Class class | 3 — Alpha Beta |
| Architecture architecture | 40 — 3-Layer(aba) Sandwich |
| Topology topology | 50 — Rossmann fold |
| Homologous superfamily homologous superfamily | 300 — P-loop containing nucleotide triphosphate hydrolases |
| Domain ID domain_id | 3iqyA02 |
| Class class | 3 — Alpha Beta |
| Architecture architecture | 90 — Alpha-Beta Complex |
| Topology topology | 1440 — Pre-protein croslinking domain of SecA |
| Homologous superfamily homologous superfamily | 10 — SecA, preprotein cross-linking domain |
| Domain ID domain_id | 3iqyA03 |
| Class class | 3 — Alpha Beta |
| Architecture architecture | 40 — 3-Layer(aba) Sandwich |
| Topology topology | 50 — Rossmann fold |
| Homologous superfamily homologous superfamily | 300 — P-loop containing nucleotide triphosphate hydrolases |
| Domain ID domain_id | 3iqyA04 |
| Class class | 1 — Mainly Alpha |
| Architecture architecture | 10 — Orthogonal Bundle |
| Topology topology | 3060 — Helical scaffold and wing domains of SecA |
| Homologous superfamily homologous superfamily | 10 — Helical scaffold and wing domains of SecA |
| Domain ID domain_id | 3iqyA05 |
| Class class | 1 — Mainly Alpha |
| Architecture architecture | 10 — Orthogonal Bundle |
| Topology topology | 1200 — Non-ribosomal Peptide Synthetase Peptidyl Carrier Protein; Chain A |
| Homologous superfamily homologous superfamily | 230 — |