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3fdq

Recognition of AT-rich DNA binding sites by the MogR Repressor

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

Motility gene repressor mogR

Listeria monocytogenes

UniProt Q8Y960

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(*AP*TP*TP*TP*TP*TP*TP*AP*AP*AP*AP*AP*AP*AP*T)-3' × 1 5'-D(*TP*AP*TP*TP*TP*TP*TP*TP*TP*AP*AP*AP*AP*AP*A)-3' × 1 water × 4 Consistent with all polymers

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
3fdq

1 assemblies

View Construct and Data Evidence
UniProt name MOGR_LISMO
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–162； UniProt 1–162 Author chain B； PDBConstruct 1–162； UniProt 1–162

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_id3fdq
Deposition date deposition_date2008-11-26
Structure title titleRecognition of AT-rich DNA binding sites by the MogR Repressor
Keywords keywords;Protein-DNA complex, Helix-turn-helix, minor groove binding, Cytoplasm, DNA-binding, Repressor, Transcription, Transcription regulation, Virulence, DNA BINDING PROTEIN-DNA COMPLEX ;; DNA BINDING PROTEIN/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.

3fdq__assembly_1__model_1

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

Download this curve (.dat)

3fdq__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.

3fdq__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）25.06 Å
Rg (electron density)24.81 Å
Total Rg25.48 Å
Atom count2889
Residues310
Excluded volume50095 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 3fdq__assembly_1__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) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id3fdqA01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology120 — Four Helix Bundle (Hemerythrin (Met), subunit A)
Homologous superfamily homologous superfamily1030 — Motility repressor MogR, DNA-binding domain
Domain ID domain_id3fdqB01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology120 — Four Helix Bundle (Hemerythrin (Met), subunit A)
Homologous superfamily homologous superfamily1030 — Motility repressor MogR, DNA-binding domain
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7. Citations (1)