1f66

2.6 A CRYSTAL STRUCTURE OF A NUCLEOSOME CORE PARTICLE CONTAINING THE VARIANT HISTONE H2A.Z

Method: X-RAY DIFFRACTION Dmax: 115.9 Å Quality: GOOD

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

HISTONE H3

Xenopus laevis

UniProt Q7ZT64

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 1–136 Chain E; UniProt 1–136 Not recorded PALINDROMIC 146 BASE PAIR DNA FRAGMENT × 2 HISTONE H4 × 2 (P62806) HISTONE H2A.Z × 2 (P17317) HISTONE H2B × 2 (P02281) MN MANGANESE (II) ION × 15 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6;292 K;MnCl2, KCl, cacodylate, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 292K X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6;292 K;MnCl2, KCl, cacodylate, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 292K X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6;292 K;MnCl2, KCl, cacodylate, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 292K Resolution 2.60 Å R-free 0.249

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.

11 other PDB entries and 11 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name Q7ZT64_9ZZZZ
Isoform
PDB entities 2
Chains and sequence ranges Author chain A; PDBConstruct 1–136; UniProt 1–136 Author chain E; PDBConstruct 1–36; UniProt 1–136

HISTONE H4

Mus musculus

UniProt P62806

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 1–102 Chain F; UniProt 1–102 Not recorded PALINDROMIC 146 BASE PAIR DNA FRAGMENT × 2 HISTONE H3 × 2 (Q7ZT64) HISTONE H2A.Z × 2 (P17317) HISTONE H2B × 2 (P02281) MN MANGANESE (II) ION × 15 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6;292 K;MnCl2, KCl, cacodylate, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 292K X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6;292 K;MnCl2, KCl, cacodylate, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 292K X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6;292 K;MnCl2, KCl, cacodylate, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 292K Resolution 2.60 Å R-free 0.249

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.

10 other PDB entries and 12 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name H4_MOUSE
Isoform
PDB entities 3
Chains and sequence ranges Author chain B; PDBConstruct 1–103; UniProt 1–102 Author chain F; PDBConstruct 1–103; UniProt 1–102

HISTONE H2A.Z

Homo sapiens

UniProt P17317

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 1–127 Chain G; UniProt 1–127 Not recorded PALINDROMIC 146 BASE PAIR DNA FRAGMENT × 2 HISTONE H3 × 2 (Q7ZT64) HISTONE H4 × 2 (P62806) HISTONE H2B × 2 (P02281) MN MANGANESE (II) ION × 15 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6;292 K;MnCl2, KCl, cacodylate, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 292K X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6;292 K;MnCl2, KCl, cacodylate, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 292K X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6;292 K;MnCl2, KCl, cacodylate, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 292K Resolution 2.60 Å R-free 0.249

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.

No other PDB entry for the same UniProt protein was found.

View Construct and Data Evidence
UniProt name H2AZ_HUMAN
Isoform
PDB entities 4
Chains and sequence ranges Author chain C; PDBConstruct 2–128; UniProt 1–127 Author chain G; PDBConstruct 2–128; UniProt 1–127

HISTONE H2B

Xenopus laevis

UniProt P02281

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 1–125 Chain H; UniProt 1–125 Not recorded PALINDROMIC 146 BASE PAIR DNA FRAGMENT × 2 HISTONE H3 × 2 (Q7ZT64) HISTONE H4 × 2 (P62806) HISTONE H2A.Z × 2 (P17317) MN MANGANESE (II) ION × 15 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6;292 K;MnCl2, KCl, cacodylate, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 292K X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6;292 K;MnCl2, KCl, cacodylate, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 292K X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6;292 K;MnCl2, KCl, cacodylate, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 292K Resolution 2.60 Å R-free 0.249

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.

310 other PDB entries and 327 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name H2B1_XENLA
Isoform
PDB entities 5
Chains and sequence ranges Author chain D; PDBConstruct 2–126; UniProt 1–125 Author chain H; PDBConstruct 2–126; UniProt 1–125

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 1f66

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1f66
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1f66
Deposition date deposition_date2000-06-20
Structure title title2.6 A CRYSTAL STRUCTURE OF A NUCLEOSOME CORE PARTICLE CONTAINING THE VARIANT HISTONE H2A.Z
Keywords keywords;NUCLEOSOME, CHROMATIN, HISTONE, HISTONE VARIANT, PROTEIN DNA INTERACTION, NUCLEOPROTEIN, SUPERCOILED DNA, COMPLEX (NUCLEOSOME CORE-DNA), STRUCTURAL PROTEIN-DNA COMPLEX ;; STRUCTURAL PROTEIN/DNA
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier39.98
Radius of gyration Rg (electron density) rg_electron37.44
Forward intensity I(0) i0843736000.00
Molecular weight molecular_weight177520.0 kDa
Excluded volume excluded_volume196870 ų
Envelope volume envelope_volume292300 ų
Hydration-shell volume shell_volume63283 ų
Envelope diameter envelope_diameter119.6
Shell Rg shell_rg45.19
Envelope Rg envelope_rg36.84
Shape Rg shape_rg37.27
Total Rg total_rg38.16
Total atoms total_atoms12072
Residues n_residues1061
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 dmax115.9
Rg (real space) rg_real39.80
Rg uncertainty (real space) rg_real_error0.66
I(0) (real space) i0_real8.4370e+08
I(0) uncertainty (real space) i0_real_error1.2790e+07
Rg (reciprocal space) rg_reciprocal39.98
I(0) (reciprocal space) i0_reciprocal843900000.0000
Solution quality estimate total_estimate0.8900
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary46.4
Skewness Skewness skewness0.079
Kurtosis Kurtosis kurtosis-0.699
Angular range angular_range— – 0.2000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha66850000.0000
Real-space data points n_real_points41
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.988; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.988; Smooth: 0.613

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (7)

7. Fold Classification (SCOP + CATH) 16 domains

SCOP 2.08 (8 domains)

Domain ID domain_idd1f66a_
Class classa — All alpha proteins
Fold Fold folda.22 — Histone-fold
Superfamily Superfamily superfamilya.22.1 — Histone-fold
Family Family familya.22.1.1 — Nucleosome core histones
Domain ID domain_idd1f66b_
Class classa — All alpha proteins
Fold Fold folda.22 — Histone-fold
Superfamily Superfamily superfamilya.22.1 — Histone-fold
Family Family familya.22.1.1 — Nucleosome core histones
Domain ID domain_idd1f66c_
Class classa — All alpha proteins
Fold Fold folda.22 — Histone-fold
Superfamily Superfamily superfamilya.22.1 — Histone-fold
Family Family familya.22.1.1 — Nucleosome core histones
Domain ID domain_idd1f66d_
Class classa — All alpha proteins
Fold Fold folda.22 — Histone-fold
Superfamily Superfamily superfamilya.22.1 — Histone-fold
Family Family familya.22.1.1 — Nucleosome core histones
Domain ID domain_idd1f66e_
Class classa — All alpha proteins
Fold Fold folda.22 — Histone-fold
Superfamily Superfamily superfamilya.22.1 — Histone-fold
Family Family familya.22.1.1 — Nucleosome core histones
Domain ID domain_idd1f66f_
Class classa — All alpha proteins
Fold Fold folda.22 — Histone-fold
Superfamily Superfamily superfamilya.22.1 — Histone-fold
Family Family familya.22.1.1 — Nucleosome core histones
Domain ID domain_idd1f66g_
Class classa — All alpha proteins
Fold Fold folda.22 — Histone-fold
Superfamily Superfamily superfamilya.22.1 — Histone-fold
Family Family familya.22.1.1 — Nucleosome core histones
Domain ID domain_idd1f66h_
Class classa — All alpha proteins
Fold Fold folda.22 — Histone-fold
Superfamily Superfamily superfamilya.22.1 — Histone-fold
Family Family familya.22.1.1 — Nucleosome core histones

CATH v4.4 (8 domains)

Domain ID domain_id1f66A00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology20 — Histone, subunit A
Homologous superfamily homologous superfamily10 — Histone, subunit A
Domain ID domain_id1f66B00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology20 — Histone, subunit A
Homologous superfamily homologous superfamily10 — Histone, subunit A
Domain ID domain_id1f66C00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology20 — Histone, subunit A
Homologous superfamily homologous superfamily10 — Histone, subunit A
Domain ID domain_id1f66D00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology20 — Histone, subunit A
Homologous superfamily homologous superfamily10 — Histone, subunit A
Domain ID domain_id1f66E00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology20 — Histone, subunit A
Homologous superfamily homologous superfamily10 — Histone, subunit A
Domain ID domain_id1f66F00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology20 — Histone, subunit A
Homologous superfamily homologous superfamily10 — Histone, subunit A
Domain ID domain_id1f66G00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology20 — Histone, subunit A
Homologous superfamily homologous superfamily10 — Histone, subunit A
Domain ID domain_id1f66H00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology20 — Histone, subunit A
Homologous superfamily homologous superfamily10 — Histone, subunit A

8. Citations (1)

9. Files and Curves (10)