7dxj

Human 46QHuntingtin-HAP40 complex structure

Method: ELECTRON MICROSCOPY Dmax: 148.3 Å Quality: GOOD

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

Huntingtin

Homo sapiens

UniProt P42858

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 1–38 Chain A; UniProt 39–3142 Not recorded 40-kDa huntingtin-associated protein × 1 (P23610) ELECTRON MICROSCOPY cryo-EM buffer:pH 7 cryo-EM vitrification conditions:Cryogen ETHANE-PROPANE Resolution 3.60 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.

30 other PDB entries and 38 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name HD_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–38; UniProt 1–38 Author chain A; PDBConstruct 64–3167; UniProt 39–3142

40-kDa huntingtin-associated protein

Homo sapiens

UniProt P23610

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 B; UniProt 1–371 Not recorded Huntingtin × 1 (P42858) ELECTRON MICROSCOPY cryo-EM buffer:pH 7 cryo-EM vitrification conditions:Cryogen ETHANE-PROPANE Resolution 3.60 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.

9 other PDB entries and 9 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name HAP40_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–371; UniProt 1–371

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 7dxj

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id7dxj
Deposition date deposition_date2021-01-19
Structure title titleHuman 46QHuntingtin-HAP40 complex structure
Keywords keywordsHuntingtin, 46Q, HAP40, STRUCTURAL PROTEIN; STRUCTURAL PROTEIN
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier46.40
Radius of gyration Rg (electron density) rg_electron45.88
Forward intensity I(0) i01153710000.00
Molecular weight molecular_weight291700.0 kDa
Excluded volume excluded_volume369560 ų
Envelope volume envelope_volume519620 ų
Hydration-shell volume shell_volume91123 ų
Envelope diameter envelope_diameter148.7
Shell Rg shell_rg53.25
Envelope Rg envelope_rg45.09
Shape Rg shape_rg45.89
Total Rg total_rg46.15
Total atoms total_atoms20491
Residues n_residues2621
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 dmax148.3
Rg (real space) rg_real46.20
Rg uncertainty (real space) rg_real_error0.90
I(0) (real space) i0_real1.1540e+09
I(0) uncertainty (real space) i0_real_error1.9370e+07
Rg (reciprocal space) rg_reciprocal46.39
I(0) (reciprocal space) i0_reciprocal1154000000.0000
Solution quality estimate total_estimate0.8936
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary56.7
Skewness Skewness skewness0.192
Kurtosis Kurtosis kurtosis-0.529
Angular range angular_range— – 0.1700 −1
Current regularization parameter α current_alpha0.0001
Highest regularization parameter α highest_alpha142900000.0000
Real-space data points n_real_points35
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.911; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.980; Smooth: 0.898

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

8. Citations (1)

9. Files and Curves (10)