ESCHERICHIA COLI
| Assembly | Physical composition | Protein state | Molecular copy count | Associated components | Data consistency |
|---|---|---|---|---|---|
| 1 | Protein monomer | Monomer | Protein 1 | MERCURY (II) ION × 5 | Consistent with protein count |
| UniProt name | LACY_ECOLI |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain A； PDBConstruct 1–417； UniProt 1–417 |
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 | 2cfq |
| Deposition date deposition_date | 2006-02-22 |
| Structure title title | Sugar Free Lactose Permease at neutral pH |
| Keywords keywords | TRANSPORT, LACTOSE PERMEASE, TRANSPORT MECHANISM, LACTOSE/H+ SYMPORT, SUGAR TRANSPORT, TRANSMEMBRANE, FORMYLATION; 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） | 22.25 Å |
| Rg (electron density) | 21.59 Å |
| Total Rg | 22.32 Å |
| Atom count | 3295 |
| Residues | 417 |
| Excluded volume | 60627 ų |
| Maximum q | 0.500 Å⁻¹ |
| Domain ID domain_id | d2cfqa_ |
| Class class | f — Membrane and cell surface proteins and peptides |
| Fold Fold fold | f.38 — MFS general substrate transporter |
| Superfamily Superfamily superfamily | f.38.1 — MFS general substrate transporter |
| Family Family family | f.38.1.2 — LacY-like proton/sugar symporter |
| Domain ID domain_id | 2cfqA01 |
| Class class | 1 — Mainly Alpha |
| Architecture architecture | 20 — Up-down Bundle |
| Topology topology | 1250 — Growth Hormone; Chain: A; |
| Homologous superfamily homologous superfamily | 20 — MFS general substrate transporter like domains |
| Domain ID domain_id | 2cfqA02 |
| Class class | 1 — Mainly Alpha |
| Architecture architecture | 20 — Up-down Bundle |
| Topology topology | 1250 — Growth Hormone; Chain: A; |
| Homologous superfamily homologous superfamily | 20 — MFS general substrate transporter like domains |