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9mu5

Structure of a native Drosophila melanogaster hexameric nucleosome

Method: ELECTRON MICROSCOPY
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Histone H2A

OrganismNot specified

UniProt P84051

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Heteromer Protein 6 DNA 2 Histone H2B × 1 （P02283） Histone H3 × 2 （P02299） Histone H4 × 2 （P84040） DNA (133-MER) × 1 DNA (133-MER) × 1 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
2nqb 2pyo 4qlc 4x23 4x23 5wcu 5wcu 6dzt 6pwe 6pwf 7pj1 7xyf

23 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name H2A_DROME
Isoform —
PDB entities 1
Chains and sequence ranges Author chain g； PDBConstruct 1–105； UniProt 14–118

Histone H2B

OrganismNot specified

UniProt P02283

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Heteromer Protein 6 DNA 2 Histone H2A × 1 （P84051） Histone H3 × 2 （P02299） Histone H4 × 2 （P84040） DNA (133-MER) × 1 DNA (133-MER) × 1 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
2nqb 2pyo 4qlc 4x23 4x23 5cve 5cve 5wcu 5wcu 6dzt 6pwe 6pwf

25 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name H2B_DROME
Isoform —
PDB entities 2
Chains and sequence ranges Author chain h； PDBConstruct 1–97； UniProt 27–123

Histone H3

OrganismNot specified

UniProt P02299

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Heteromer Protein 6 DNA 2 Histone H2A × 1 （P84051） Histone H2B × 1 （P02283） Histone H4 × 2 （P84040） DNA (133-MER) × 1 DNA (133-MER) × 1 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
1kna 1kne 2nqb 2pyo 2yba 2yba 4qlc 4u68 4u68 4uuz 4x23 4x23

28 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name H3_DROME
Isoform —
PDB entities 3
Chains and sequence ranges Author chain a； PDBConstruct 1–92； UniProt 45–136 Author chain e； PDBConstruct 1–92； UniProt 45–136

Histone H4

OrganismNot specified

UniProt P84040

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Heteromer Protein 6 DNA 2 Histone H2A × 1 （P84051） Histone H2B × 1 （P02283） Histone H3 × 2 （P02299） DNA (133-MER) × 1 DNA (133-MER) × 1 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
2nqb 2pyo 2xyi 3c9c 4qlc 4uuz 4x23 4x23 5wcu 5wcu 6dzt 7xyf

21 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name H4_DROME
Isoform —
PDB entities 4
Chains and sequence ranges Author chain b； PDBConstruct 1–80； UniProt 24–103 Author chain f； PDBConstruct 1–80； UniProt 24–103

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_id9mu5
Deposition date deposition_date2025-01-13
Last revision last_revision2025-02-19
Structure title titleStructure of a native Drosophila melanogaster hexameric nucleosome
Keywords keywordsNucleosome, histones, histone, chromatin, DNA, GENE REGULATION; GENE REGULATION
Experimental Method methodELECTRON MICROSCOPY
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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.

9mu5__assembly_1__model_1

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

Download this curve (.dat)

9mu5__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

9mu5__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）43.91 Å
Rg (electron density)41.30 Å
Total Rg41.85 Å
Atom count9666
Residues798
Excluded volume154960 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 9mu5__assembly_1__model_1 octameric （8） 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 (6)

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7. Citations (1)