8jla

Cryo-EM structure of the human nucleosome lacking N-terminal region of H2A, H2B, H3, and H4

Method: ELECTRON MICROSCOPY Dmax: 130.3 Å Quality: GOOD

1. Protein Identity and Related Structures Protein Identity & Related Structures

Histone H3.1

Homo sapiens

UniProt P68431

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–DNA Heteromer Protein × 8 DNA 2 PDB declaration: decameric(10) Consistent with all polymer counts Chain A; UniProt 29–136 Chain E; UniProt 29–136 Not recorded Histone H4 × 2 (P62805) Histone H2A type 1-B/E × 2 (P04908) Histone H2B type 1-J × 2 (P06899) DNA (193-MER) × 1 DNA (193-MER) × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.44 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

402 other PDB entries and 475 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name H31_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 5–112; UniProt 29–136 Author chain E; PDBConstruct 5–112; UniProt 29–136

Histone H4

Homo sapiens

UniProt P62805

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–DNA Heteromer Protein × 8 DNA 2 PDB declaration: decameric(10) Consistent with all polymer counts Chain B; UniProt 17–103 Chain F; UniProt 17–103 Not recorded Histone H3.1 × 2 (P68431) Histone H2A type 1-B/E × 2 (P04908) Histone H2B type 1-J × 2 (P06899) DNA (193-MER) × 1 DNA (193-MER) × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.44 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

581 other PDB entries and 633 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name H4_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 5–91; UniProt 17–103 Author chain F; PDBConstruct 5–91; UniProt 17–103

Histone H2A type 1-B/E

Homo sapiens

UniProt P04908

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–DNA Heteromer Protein × 8 DNA 2 PDB declaration: decameric(10) Consistent with all polymer counts Chain C; UniProt 11–130 Chain G; UniProt 11–130 Not recorded Histone H3.1 × 2 (P68431) Histone H4 × 2 (P62805) Histone H2B type 1-J × 2 (P06899) DNA (193-MER) × 1 DNA (193-MER) × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.44 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

343 other PDB entries and 350 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name H2A1B_HUMAN
Isoform
PDB entities 3
Chains and sequence ranges Author chain C; PDBConstruct 5–124; UniProt 11–130 Author chain G; PDBConstruct 5–124; UniProt 11–130

Histone H2B type 1-J

Homo sapiens

UniProt P06899

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–DNA Heteromer Protein × 8 DNA 2 PDB declaration: decameric(10) Consistent with all polymer counts Chain D; UniProt 26–126 Chain H; UniProt 26–126 Not recorded Histone H3.1 × 2 (P68431) Histone H4 × 2 (P62805) Histone H2A type 1-B/E × 2 (P04908) DNA (193-MER) × 1 DNA (193-MER) × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.44 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

290 other PDB entries and 301 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name H2B1J_HUMAN
Isoform
PDB entities 4
Chains and sequence ranges Author chain D; PDBConstruct 5–105; UniProt 26–126 Author chain H; PDBConstruct 5–105; UniProt 26–126

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.

SAXS scattering curve SAXS Profile

SAXS profile for 8jla

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8jla
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8jla
Deposition date deposition_date2023-06-02
Structure title titleCryo-EM structure of the human nucleosome lacking N-terminal region of H2A, H2B, H3, and H4
Keywords keywordsnuclear protein, chromatin, GENE REGULATION-DNA COMPLEX; GENE REGULATION/DNA
Experimental Method methodELECTRON MICROSCOPY

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier41.70
Radius of gyration Rg (electron density) rg_electron38.91
Forward intensity I(0) i0898529000.00
Molecular weight molecular_weight180790.0 kDa
Excluded volume excluded_volume199100 ų
Envelope volume envelope_volume308320 ų
Hydration-shell volume shell_volume64646 ų
Envelope diameter envelope_diameter131.6
Shell Rg shell_rg46.00
Envelope Rg envelope_rg38.40
Shape Rg shape_rg38.73
Total Rg total_rg39.60
Total atoms total_atoms12314
Residues n_residues1060
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax130.3
Rg (real space) rg_real41.52
Rg uncertainty (real space) rg_real_error0.96
I(0) (real space) i0_real8.9850e+08
I(0) uncertainty (real space) i0_real_error1.6630e+07
Rg (reciprocal space) rg_reciprocal41.70
I(0) (reciprocal space) i0_reciprocal898700000.0000
Solution quality estimate total_estimate0.8997
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary48.0
Skewness Skewness skewness0.110
Kurtosis Kurtosis kurtosis-0.647
Angular range angular_range— – 0.1900 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha68530000.0000
Real-space data points n_real_points39
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.938; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.982; Smooth: 0.897

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

8. Citations (1)

9. Files and Curves (10)