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1dp7

COCRYSTAL STRUCTURE OF RFX-DBD IN COMPLEX WITH ITS COGNATE X-BOX BINDING SITE

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

MHC CLASS II TRANSCRIPTION FACTOR HRFX1

OrganismNot specified

UniProt P22670

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 (5'-D(*CP*GP*(BRU)P*TP*AP*CP*CP*AP*(BRU)P*GP*GP*TP*AP*AP*CP*G)-3') ; × 2 1,2-ETHANEDIOL × 4 DI(HYDROXYETHYL)ETHER × 2 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
1dp7

1 assemblies

View Construct and Data Evidence
UniProt name RFX1_HUMAN
Isoform —
PDB entities 2
Chains and sequence ranges Author chain P； PDBConstruct 1–76； UniProt 438–513

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_id1dp7
Deposition date deposition_date1999-12-23
Structure title titleCOCRYSTAL STRUCTURE OF RFX-DBD IN COMPLEX WITH ITS COGNATE X-BOX BINDING SITE
Keywords keywords;WINGED HELIX, MHC CLASS II TRANSCRIPTION FACTOR, PROTEIN-DNA COCRYSTAL STRUCTURE, NOVEL MODE OF DNA RECOGNITION, 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.

1dp7__assembly_1__model_1

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

Download this curve (.dat)

1dp7__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.

1dp7__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）20.14 Å
Rg (electron density)20.26 Å
Total Rg20.78 Å
Atom count1928
Residues180
Excluded volume32274 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1dp7__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 (5)

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1dp7p_
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.4.5.20 — P4 origin-binding domain-like

CATH v4.4 (1 domains)

Domain ID domain_id1dp7P00
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 (6)