8jlb

Cryo-EM structure of the 145 bp human nucleosome containing H3.2 C110A mutant

Method: ELECTRON MICROSCOPY Dmax: 118.4 Å Quality: EXCELLENT

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

Histone H3.2

Homo sapiens

UniProt Q71DI3

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 2–136 Chain E; UniProt 2–136 Mutation:C110A Histone H4 × 2 (P62805) Histone H2A type 1-B/E × 2 (P04908) Histone H2B type 1-J × 2 (P06899) DNA (145-MER) × 1 DNA (145-MER) × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.36 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.

139 other PDB entries and 157 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name H32_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–135; UniProt 2–136 Author chain E; PDBConstruct 1–135; UniProt 2–136

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 1–103 Chain F; UniProt 1–103 Not recorded Histone H3.2 × 2 (Q71DI3) Histone H2A type 1-B/E × 2 (P04908) Histone H2B type 1-J × 2 (P06899) DNA (145-MER) × 1 DNA (145-MER) × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.36 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 4–106; UniProt 1–103 Author chain F; PDBConstruct 4–106; UniProt 1–103

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 1–130 Chain G; UniProt 1–130 Not recorded Histone H3.2 × 2 (Q71DI3) Histone H4 × 2 (P62805) Histone H2B type 1-J × 2 (P06899) DNA (145-MER) × 1 DNA (145-MER) × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.36 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 4–133; UniProt 1–130 Author chain G; PDBConstruct 4–133; UniProt 1–130

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 1–126 Chain H; UniProt 1–126 Not recorded Histone H3.2 × 2 (Q71DI3) Histone H4 × 2 (P62805) Histone H2A type 1-B/E × 2 (P04908) DNA (145-MER) × 1 DNA (145-MER) × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.36 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 4–129; UniProt 1–126 Author chain H; PDBConstruct 4–129; UniProt 1–126

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 8jlb

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id8jlb
Deposition date deposition_date2023-06-02
Structure title titleCryo-EM structure of the 145 bp human nucleosome containing H3.2 C110A mutant
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_guinier40.17
Radius of gyration Rg (electron density) rg_electron37.47
Forward intensity I(0) i0814525000.00
Molecular weight molecular_weight173610.0 kDa
Excluded volume excluded_volume192250 ų
Envelope volume envelope_volume288170 ų
Hydration-shell volume shell_volume62504 ų
Envelope diameter envelope_diameter116.5
Shell Rg shell_rg45.04
Envelope Rg envelope_rg36.83
Shape Rg shape_rg37.30
Total Rg total_rg38.19
Total atoms total_atoms11844
Residues n_residues1036
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 dmax118.4
Rg (real space) rg_real39.99
Rg uncertainty (real space) rg_real_error0.78
I(0) (real space) i0_real8.1450e+08
I(0) uncertainty (real space) i0_real_error1.2640e+07
Rg (reciprocal space) rg_reciprocal40.17
I(0) (reciprocal space) i0_reciprocal814700000.0000
Solution quality estimate total_estimate0.9027
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary45.5
Skewness Skewness skewness0.067
Kurtosis Kurtosis kurtosis-0.715
Angular range angular_range— – 0.1950 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha59510000.0000
Real-space data points n_real_points40
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.977; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.983; Smooth: 0.817

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

8. Citations (1)

9. Files and Curves (10)