Escherichia coli
| 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 | FTSY_ECOLI |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain A； PDBConstruct 2–303； UniProt 196–497 |
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 | 2qy9 |
| Deposition date deposition_date | 2007-08-14 |
| Structure title title | Structure of the NG+1 construct of the E. coli SRP receptor FtsY |
| Keywords keywords | ;SRP receptor, FtsY, protein targeting, SIMIBI class GTPase, Cell cycle, Cell division, GTP-binding, Inner membrane, Membrane, Nucleotide-binding, Ribonucleoprotein, RNA-binding, Signal recognition particle, PROTEIN 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） | 22.27 Å |
| Rg (electron density) | 21.24 Å |
| Total Rg | 22.02 Å |
| Atom count | 2304 |
| Residues | 300 |
| Excluded volume | 41418 ų |
| Maximum q | 0.500 Å⁻¹ |
| Domain ID domain_id | d2qy9a1 |
| Class class | a — All alpha proteins |
| Fold Fold fold | a.24 — Four-helical up-and-down bundle |
| Superfamily Superfamily superfamily | a.24.13 — Domain of the SRP/SRP receptor G-proteins |
| Family Family family | a.24.13.1 — Domain of the SRP/SRP receptor G-proteins |
| Domain ID domain_id | d2qy9a2 |
| Class class | c — Alpha and beta proteins (a/b) |
| Fold Fold fold | c.37 — P-loop containing nucleoside triphosphate hydrolases |
| Superfamily Superfamily superfamily | c.37.1 — P-loop containing nucleoside triphosphate hydrolases |
| Family Family family | c.37.1.10 — Nitrogenase iron protein-like |
| Domain ID domain_id | 2qy9A01 |
| Class class | 1 — Mainly Alpha |
| Architecture architecture | 20 — Up-down Bundle |
| Topology topology | 120 — Four Helix Bundle (Hemerythrin (Met), subunit A) |
| Homologous superfamily homologous superfamily | 140 — SRP54, nucleotide-binding domain |
| Domain ID domain_id | 2qy9A02 |
| 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 |