9qf0

Cryo-EM structure of the mportin7:Histone H1.0 complex

Method: ELECTRON MICROSCOPY Dmax: 114.5 Å Quality: REASONABLE

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

Importin 7 L homeolog

Xenopus laevis

UniProt O42480

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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 1–1038 Not recorded Histone H1.0 × 1 (P07305) ELECTRON MICROSCOPY cryo-EM buffer:pH 7 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 7.50 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.

2 other PDB entries and 2 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name O42480_XENLA
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–1038; UniProt 1–1038

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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 1–194 Not recorded Importin 7 L homeolog × 1 (O42480) ELECTRON MICROSCOPY cryo-EM buffer:pH 7 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 7.50 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 2
Chains and sequence ranges Author chain C; 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 9qf0

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9qf0
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9qf0
Deposition date deposition_date2025-03-11
Structure title titleCryo-EM structure of the mportin7:Histone H1.0 complex
Keywords keywordsTransport, Importin 7, Histone 1.0, TRANSPORT PROTEIN; TRANSPORT PROTEIN
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier38.05
Radius of gyration Rg (electron density) rg_electron37.41
Forward intensity I(0) i0256924000.00
Molecular weight molecular_weight130750.0 kDa
Excluded volume excluded_volume164470 ų
Envelope volume envelope_volume241860 ų
Hydration-shell volume shell_volume54791 ų
Envelope diameter envelope_diameter117.5
Shell Rg shell_rg43.32
Envelope Rg envelope_rg35.58
Shape Rg shape_rg37.42
Total Rg total_rg37.83
Total atoms total_atoms18341
Residues n_residues1142
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 dmax114.5
Rg (real space) rg_real37.84
Rg uncertainty (real space) rg_real_error0.62
I(0) (real space) i0_real2.5690e+08
I(0) uncertainty (real space) i0_real_error3.9100e+06
Rg (reciprocal space) rg_reciprocal37.97
I(0) (reciprocal space) i0_reciprocal257000000.0000
Solution quality estimate total_estimate0.6828
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary49.1
Skewness Skewness skewness0.095
Kurtosis Kurtosis kurtosis-0.647
Angular range angular_range— – 0.2100 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha41920000.0000
Real-space data points n_real_points43
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.978; Stabil: 1.000; Sysdev: 0.080; Positv: 1.000; Valcen: 0.993; Smooth: 0.703

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

8. Citations (1)

9. Files and Curves (10)