ESCHERICHIA COLI
| Assembly | Physical composition | Protein state | Molecular copy count | Associated components | Data consistency |
|---|---|---|---|---|---|
| 1 | Protein heterocomplex | Heteromer | Protein 6 | PREDICTED PROTEIN × 3 （C4ZXT3） | Consistent with protein count |
| UniProt name | ACRB_ECOLI |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain A； PDBConstruct 1–1049； UniProt 1–1049 |
ESCHERICHIA COLI
| Assembly | Physical composition | Protein state | Molecular copy count | Associated components | Data consistency |
|---|---|---|---|---|---|
| 1 | Protein heterocomplex | Heteromer | Protein 6 | ACRIFLAVINE RESISTANCE PROTEIN B × 3 （P31224） | Consistent with protein count |
| UniProt name | C4ZXT3_ECOBW |
| Isoform | — |
| PDB entities | 2 |
| Chains and sequence ranges | Author chain C； PDBConstruct 1–49； UniProt 1–49 |
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 | 4cdi |
| Deposition date deposition_date | 2013-10-31 |
| Structure title title | Crystal structure of AcrB-AcrZ complex |
| Keywords keywords | MEMBRANE PROTEIN, DRUG EFFLUX, TRANSMEMBRANE PROTEIN; MEMBRANE PROTEIN |
| 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） | 46.58 Å |
| Rg (electron density) | 45.88 Å |
| Total Rg | 46.15 Å |
| Atom count | 24342 |
| Residues | 3234 |
| Excluded volume | 440160 ų |
| Maximum q | 0.500 Å⁻¹ |
| Domain ID domain_id | 4cdiA01 |
| Class class | 1 — Mainly Alpha |
| Architecture architecture | 20 — Up-down Bundle |
| Topology topology | 1640 — Multidrug efflux transporter AcrB transmembrane fold |
| Homologous superfamily homologous superfamily | 10 — Multidrug efflux transporter AcrB transmembrane domain |
| Domain ID domain_id | 4cdiA02 |
| Class class | 3 — Alpha Beta |
| Architecture architecture | 30 — 2-Layer Sandwich |
| Topology topology | 70 — Alpha-Beta Plaits |
| Homologous superfamily homologous superfamily | 1430 — Multidrug efflux transporter AcrB pore domain |
| Domain ID domain_id | 4cdiA03 |
| Class class | 3 — Alpha Beta |
| Architecture architecture | 30 — 2-Layer Sandwich |
| Topology topology | 70 — Alpha-Beta Plaits |
| Homologous superfamily homologous superfamily | 1320 — Multidrug efflux transporter AcrB pore domain like |
| Domain ID domain_id | 4cdiA04 |
| Class class | 3 — Alpha Beta |
| Architecture architecture | 30 — 2-Layer Sandwich |
| Topology topology | 2090 — Multidrug efflux transporter AcrB TolC docking domain; DN and DC subdomains |
| Homologous superfamily homologous superfamily | 10 — Multidrug efflux transporter AcrB TolC docking domain; DN and DC subdomains |
| Domain ID domain_id | 4cdiA05 |
| Class class | 1 — Mainly Alpha |
| Architecture architecture | 20 — Up-down Bundle |
| Topology topology | 1640 — Multidrug efflux transporter AcrB transmembrane fold |
| Homologous superfamily homologous superfamily | 10 — Multidrug efflux transporter AcrB transmembrane domain |
| Domain ID domain_id | 4cdiA06 |
| Class class | 3 — Alpha Beta |
| Architecture architecture | 30 — 2-Layer Sandwich |
| Topology topology | 70 — Alpha-Beta Plaits |
| Homologous superfamily homologous superfamily | 1430 — Multidrug efflux transporter AcrB pore domain |
| Domain ID domain_id | 4cdiA07 |
| Class class | 3 — Alpha Beta |
| Architecture architecture | 30 — 2-Layer Sandwich |
| Topology topology | 70 — Alpha-Beta Plaits |
| Homologous superfamily homologous superfamily | 1440 — Multidrug efflux transporter AcrB pore domain |
| Domain ID domain_id | 4cdiA08 |
| Class class | 3 — Alpha Beta |
| Architecture architecture | 30 — 2-Layer Sandwich |
| Topology topology | 2090 — Multidrug efflux transporter AcrB TolC docking domain; DN and DC subdomains |
| Homologous superfamily homologous superfamily | 10 — Multidrug efflux transporter AcrB TolC docking domain; DN and DC subdomains |
| Domain ID domain_id | 4cdiC00 |
| Class class | 6 — Special |
| Architecture architecture | 10 — Helix non-globular |
| Topology topology | 250 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces |
| Homologous superfamily homologous superfamily | 2480 — |