Escherichia coli
| Assembly | Physical composition | Protein state | Molecular copy count | Associated components | Data consistency |
|---|---|---|---|---|---|
| 1 | Protein monomer | Monomer | Protein 1 | S-ADENOSYLMETHIONINE × 1 water × 1 | Consistent with protein count |
| UniProt name | RSMB_ECOLI |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain A； PDBConstruct 1–429； UniProt 1–429 |
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 | 1sqf |
| Deposition date deposition_date | 2004-03-18 |
| Structure title title | The crystal structure of E. coli Fmu binary complex with S-Adenosylmethionine at 2.1 A resolution |
| Keywords keywords | Rossmann-fold, mixed beta sheet, methyltransferase-fold, RNA-binding domain, TRANSFERASE; TRANSFERASE |
| 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） | 24.12 Å |
| Rg (electron density) | 23.28 Å |
| Total Rg | 24.12 Å |
| Atom count | 3316 |
| Residues | 425 |
| Excluded volume | 58892 ų |
| Maximum q | 0.500 Å⁻¹ |
| Domain ID domain_id | d1sqfa1 |
| Class class | a — All alpha proteins |
| Fold Fold fold | a.79 — NusB-like |
| Superfamily Superfamily superfamily | a.79.1 — NusB-like |
| Family Family family | a.79.1.3 — RmsB N-terminal domain-like |
| Domain ID domain_id | d1sqfa2 |
| 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.66.1.38 — NOL1/NOP2/sun |
| Domain ID domain_id | 1sqfA01 |
| Class class | 1 — Mainly Alpha |
| Architecture architecture | 10 — Orthogonal Bundle |
| Topology topology | 940 — N-utilizing Substance Protein B Homolog; Chain A |
| Homologous superfamily homologous superfamily | 10 — NusB-like |
| Domain ID domain_id | 1sqfA02 |
| Class class | 1 — Mainly Alpha |
| Architecture architecture | 10 — Orthogonal Bundle |
| Topology topology | 287 — Helix Hairpins |
| Homologous superfamily homologous superfamily | 730 — Helix hairpin bin |
| Domain ID domain_id | 1sqfA03 |
| Class class | 3 — Alpha Beta |
| Architecture architecture | 30 — 2-Layer Sandwich |
| Topology topology | 70 — Alpha-Beta Plaits |
| Homologous superfamily homologous superfamily | 1170 — Sun protein; domain 3 |
| Domain ID domain_id | 1sqfA04 |
| 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 |