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1dux

ELK-1/DNA STRUCTURE REVEALS HOW RESIDUES DISTAL FROM DNA-BINDING SURFACE AFFECT DNA-RECOGNITION

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

ETS-DOMAIN PROTEIN ELK-1

Homo sapiens

UniProt P19419

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Homooligomer Protein 2 DNA 4 ;DNA (5'-D(*TP*GP*AP*CP*CP*GP*GP*AP*AP*GP*TP*GP*T)-3') ; × 2 ;DNA (5'-D(*AP*CP*AP*CP*TP*TP*CP*CP*GP*GP*TP*CP*A)-3') ; × 2 water × 6 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
1dux 9f6y

2 assemblies

View Construct and Data Evidence
UniProt name ELK1_HUMAN
Isoform —
PDB entities 3
Chains and sequence ranges Author chain C； PDBConstruct 1–94； UniProt 1–94 Author chain F； PDBConstruct 1–94； UniProt 1–94

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_id1dux
Deposition date deposition_date2000-01-19
Structure title titleELK-1/DNA STRUCTURE REVEALS HOW RESIDUES DISTAL FROM DNA-BINDING SURFACE AFFECT DNA-RECOGNITION
Keywords keywordsETS-DOMAIN, DNA-BINDING DOMAIN, WINGED HELIX-TURN-HELIX, DNA-BINDING SPECIFICITY, 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.

1dux__assembly_1__model_1

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

Download this curve (.dat)

1dux__assembly_1__model_1 | I(q)

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

1dux__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）24.66 Å
Rg (electron density)22.85 Å
Total Rg23.70 Å
Atom count2512
Residues224
Excluded volume41489 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1dux__assembly_1__model_1 hexameric （6） 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) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1duxc_
Class classa — All alpha proteins
Fold Fold folda.4 — DNA/RNA-binding 3-helical bundle
Superfamily Superfamily superfamilya.4.5 — 'Winged helix' DNA-binding domain
Family Family familya.4.5.21 — ets domain
Domain ID domain_idd1duxf_
Class classa — All alpha proteins
Fold Fold folda.4 — DNA/RNA-binding 3-helical bundle
Superfamily Superfamily superfamilya.4.5 — 'Winged helix' DNA-binding domain
Family Family familya.4.5.21 — ets domain

CATH v4.4 (2 domains)

Domain ID domain_id1duxC00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology10 — Arc Repressor Mutant, subunit A
Homologous superfamily homologous superfamily10 — Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain
Domain ID domain_id1duxF00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology10 — Arc Repressor Mutant, subunit A
Homologous superfamily homologous superfamily10 — Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain
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7. Citations (1)