7k5x

Cryo-EM structure of a chromatosome containing human linker histone H1.0

Method: ELECTRON MICROSCOPY Dmax: 179.9 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 × 11 DNA 2 PDB declaration: tridecameric(13) Consistent with all polymer counts Chain A; UniProt 1–136 Chain E; UniProt 1–136 Not recorded Histone H4 × 2 (P62805) Histone H2A type 1-B/E × 2 (P04908) Histone H2B type 1-J × 2 (P06899) DNA (197-MER) × 1 DNA (197-MER) × 1 scFv20 × 2 Histone H1.0 × 1 (P07305) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.93 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 1–136; UniProt 1–136 Author chain E; PDBConstruct 1–136; UniProt 1–136

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 × 11 DNA 2 PDB declaration: tridecameric(13) Consistent with all polymer counts Chain B; UniProt 1–103 Chain F; UniProt 1–103 Not recorded Histone H3.1 × 2 (P68431) Histone H2A type 1-B/E × 2 (P04908) Histone H2B type 1-J × 2 (P06899) DNA (197-MER) × 1 DNA (197-MER) × 1 scFv20 × 2 Histone H1.0 × 1 (P07305) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.93 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 1–103; UniProt 1–103 Author chain F; PDBConstruct 1–103; 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 × 11 DNA 2 PDB declaration: tridecameric(13) Consistent with all polymer counts Chain C; UniProt 1–130 Chain G; UniProt 1–130 Not recorded Histone H3.1 × 2 (P68431) Histone H4 × 2 (P62805) Histone H2B type 1-J × 2 (P06899) DNA (197-MER) × 1 DNA (197-MER) × 1 scFv20 × 2 Histone H1.0 × 1 (P07305) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.93 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 1–130; UniProt 1–130 Author chain G; PDBConstruct 1–130; 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 × 11 DNA 2 PDB declaration: tridecameric(13) Consistent with all polymer counts Chain D; UniProt 1–126 Chain H; UniProt 1–126 Not recorded Histone H3.1 × 2 (P68431) Histone H4 × 2 (P62805) Histone H2A type 1-B/E × 2 (P04908) DNA (197-MER) × 1 DNA (197-MER) × 1 scFv20 × 2 Histone H1.0 × 1 (P07305) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.93 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 1–126; UniProt 1–126 Author chain H; PDBConstruct 1–126; UniProt 1–126

Histone H1.0

Homo sapiens

UniProt P07305

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 × 11 DNA 2 PDB declaration: tridecameric(13) Consistent with all polymer counts Chain U; UniProt 1–194 Not recorded Histone H3.1 × 2 (P68431) Histone H4 × 2 (P62805) Histone H2A type 1-B/E × 2 (P04908) Histone H2B type 1-J × 2 (P06899) DNA (197-MER) × 1 DNA (197-MER) × 1 scFv20 × 2 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.93 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.

15 other PDB entries and 16 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name H10_HUMAN
Isoform
PDB entities 8
Chains and sequence ranges Author chain U; PDBConstruct 1–194; UniProt 1–194

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 7k5x

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7k5x
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7k5x
Deposition date deposition_date2020-09-17
Structure title titleCryo-EM structure of a chromatosome containing human linker histone H1.0
Keywords keywords;chromatosome, nucleosome, linker histones, Single-chain antibody, charge-charge interaction, chromatin, NUCLEAR PROTEIN, NUCLEAR PROTEIN-DNA complex ;; NUCLEAR PROTEIN/DNA
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier50.68
Radius of gyration Rg (electron density) rg_electron48.09
Forward intensity I(0) i01788900000.00
Molecular weight molecular_weight267320.0 kDa
Excluded volume excluded_volume299820 ų
Envelope volume envelope_volume477720 ų
Hydration-shell volume shell_volume84231 ų
Envelope diameter envelope_diameter191.2
Shell Rg shell_rg51.05
Envelope Rg envelope_rg49.64
Shape Rg shape_rg47.90
Total Rg total_rg48.63
Total atoms total_atoms18291
Residues n_residues1690
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 dmax179.9
Rg (real space) rg_real50.98
Rg uncertainty (real space) rg_real_error1.97
I(0) (real space) i0_real1.7890e+09
I(0) uncertainty (real space) i0_real_error3.8440e+07
Rg (reciprocal space) rg_reciprocal50.45
I(0) (reciprocal space) i0_reciprocal1788000000.0000
Solution quality estimate total_estimate0.7906
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary58.0
Skewness Skewness skewness0.731
Kurtosis Kurtosis kurtosis0.508
Angular range angular_range— – 0.1550 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha126000000.0000
Real-space data points n_real_points32
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.575; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.983; Smooth: 0.565

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (8)

7. Fold Classification (SCOP + CATH) 13 domains

SCOP 2.08 (13 domains)

Domain ID domain_idd7k5xa_
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_idd7k5xb_
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_idd7k5xc_
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_idd7k5xd_
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_idd7k5xe_
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_idd7k5xf_
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_idd7k5xg_
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_idd7k5xh_
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_idd7k5xm1
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.0 — automated matches
Domain ID domain_idd7k5xm2
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.0 — automated matches
Domain ID domain_idd7k5xn1
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.0 — automated matches
Domain ID domain_idd7k5xn2
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.0 — automated matches
Domain ID domain_idd7k5xu_
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.4.5.13 — Linker histone H1/H5

8. Citations (1)

9. Files and Curves (10)