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5clv

Crystal Structure of KorA-operator DNA complex (KorA-OA)

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

TrfB transcriptional repressor protein

Escherichia coli

UniProt P03052

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 5'-D(CP*CP*AP*AP*GP*TP*TP*TP*AP*GP*CP*TP*AP*AP*AP*CP*TP*TP*GP*GP*)-3' × 2 water × 4 Consistent with all polymers
2 Protein–DNA Homooligomer Protein 2 DNA 2 5'-D(CP*CP*AP*AP*GP*TP*TP*TP*AP*GP*CP*TP*AP*AP*AP*CP*TP*TP*GP*GP*)-3' × 2 water × 4 Consistent with all polymers
3 Protein–DNA Homooligomer Protein 2 DNA 2 5'-D(CP*CP*AP*AP*GP*TP*TP*TP*AP*GP*CP*TP*AP*AP*AP*CP*TP*TP*GP*GP*)-3' × 2 water × 4 Consistent with all polymers
4 Protein–DNA Homooligomer Protein 2 DNA 2 5'-D(CP*CP*AP*AP*GP*TP*TP*TP*AP*GP*CP*TP*AP*AP*AP*CP*TP*TP*GP*GP*)-3' × 2 water × 4 Consistent with all polymers

Other States of the Same Protein in the Database

Monomer

None

Homodimer
2n5g 5ckt 5ckt

3 assemblies

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
2w7n 5clv 5clv 5clv 5clv 5cm3 8qa9

7 assemblies

View Construct and Data Evidence
UniProt name KORA2_ECOLX
Isoform —
PDB entities 1, 3
Chains and sequence ranges Author chain A； PDBConstruct 1–96； UniProt 2–97 Author chain B； PDBConstruct 1–96； UniProt 2–97 Author chain E； PDBConstruct 1–65； UniProt 2–66 Author chain F； PDBConstruct 1–65； UniProt 2–66 Author chain I； PDBConstruct 1–65； UniProt 2–66 Author chain J； PDBConstruct 1–65； UniProt 2–66 Author chain M； PDBConstruct 1–65； UniProt 2–66 Author chain N； PDBConstruct 1–65； UniProt 2–66

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_id5clv
Deposition date deposition_date2015-07-16
Structure title titleCrystal Structure of KorA-operator DNA complex (KorA-OA)
Keywords keywordsHelix-turn-helix, complex, transcription; TRANSCRIPTION
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.

5clv__assembly_1__model_1

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

Download this curve (.dat)

5clv__assembly_1__model_1 | I(q)

10-2 10-1 105 106 107 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

5clv__assembly_1__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）21.83 Å
Rg (electron density)21.29 Å
Total Rg22.05 Å
Atom count2275
Residues231
Excluded volume38030 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 5clv__assembly_1__model_1 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 5clv__assembly_2__model_1 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
3 1 5clv__assembly_3__model_1 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
4 1 5clv__assembly_4__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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7. Citations (2)