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4wlw

CRYSTAL STRUCTURE OF THE AG(I) (ACTIVATOR) FORM OF E. COLI CUER, A COPPER EFFLUX REGULATOR, BOUND TO COPA PROMOTER DNA

Method: X-RAY DIFFRACTION
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1. Protein Identity and Related Structures Protein Identity & Related Structures

HTH-type transcriptional regulator CueR

Escherichia coli

UniProt P0A9G4

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Homooligomer Protein 2 DNA 2 DNA NON-TEMPLATE STRAND (5-D(*DGP*DAP*DCP*DCP *DTP*DTP*DCP*DCP*DCP*DCP*DTP*DTP*DGP*DCP*DTP*DGP*DGP*DAP *DAP*DGP*DGP*DTP*DC)-3 × 1 DNA TEMPLATE STRAND (5-D(*DGP*DAP*DCP*DCP*DTP *DTP*DCP*DCP*DAP*DGP*DCP*DAP*DAP*DGP*DGP*DGP*DGP*DAP*DAP *DGP*DGP*DTP*DC)-3 × 1 SILVER ION × 2 Consistent with all polymers
2 Protein–DNA Homooligomer Protein 2 DNA 2 DNA NON-TEMPLATE STRAND (5-D(*DGP*DAP*DCP*DCP *DTP*DTP*DCP*DCP*DCP*DCP*DTP*DTP*DGP*DCP*DTP*DGP*DGP*DAP *DAP*DGP*DGP*DTP*DC)-3 × 1 DNA TEMPLATE STRAND (5-D(*DGP*DAP*DCP*DCP*DTP *DTP*DCP*DCP*DAP*DGP*DCP*DAP*DAP*DGP*DGP*DGP*DGP*DAP*DAP *DGP*DGP*DTP*DC)-3 × 1 SILVER ION × 2 Consistent with all polymers

Other States of the Same Protein in the Database

Monomer

None

Homodimer
1q05 1q06 1q07

3 assemblies

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
4wls 4wlw 4wlw 6ldi 6xh7 6xh8 7c17

7 assemblies

View Construct and Data Evidence
UniProt name CUER_ECOLI
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 2–135； UniProt 2–135

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.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id4wlw
Deposition date deposition_date2014-10-08
Structure title titleCRYSTAL STRUCTURE OF THE AG(I) (ACTIVATOR) FORM OF E. COLI CUER, A COPPER EFFLUX REGULATOR, BOUND TO COPA PROMOTER DNA
Keywords keywordsPROTEIN-DNA COMPLEX, MERR-FAMILY TRANSCRIPTION REGULATOR, AG(I)FORM, ACTIVATOR, TRANSCRIPTION, TRANSCRIPTION-DNA complex; TRANSCRIPTION/DNA
Experimental Method methodX-RAY DIFFRACTION
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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

4wlw__assembly_2__model_1

Assembly 2 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

4wlw__assembly_2__model_1 | I(q)

10-2 10-1 106 107 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

4wlw__assembly_2__model_1 | P(r) · Pending

The new assembly/model P(r) has not been calculated yet This placeholder does not display legacy data r (Angstrom) P(r)
P(r) will be calculated and displayed separately for the same assembly/model.
Rg（Guinier）26.26 Å
Rg (electron density)25.48 Å
Total Rg26.20 Å
Atom count2989
Residues300
Excluded volume49839 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 4wlw__assembly_1__model_1 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 4wlw__assembly_2__model_1 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (4)

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6. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id4wlwA00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology1660 — Multidrug-efflux Transporter Regulator; Chain: A; Domain 2
Homologous superfamily homologous superfamily10 —
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7. Citations (1)