4fec

Crystal Structure of Htt36Q3H

Method: X-RAY DIFFRACTION Dmax: 120.9 Å Quality: EXCELLENT

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

Maltose-binding periplasmic protein,Huntingtin

Homo sapiens

UniProt P0AEX9

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Insufficient information Homooligomer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain A; UniProt 27–384 Chain B; UniProt 27–384 Chain C; UniProt 27–384 Fragment:Huntingtin protein exon1 domain Mutation:HQHQH,HQHQH ZN ZINC ION × 31 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.5;278 K;PEG12K, Na Acetate, Zn Acetate, Na Cacodylate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 278K Resolution 3.00 Å R-free 0.275

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.

366 other PDB entries and 491 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name MALE_ECOLI
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–358; UniProt 27–384 Author chain B; PDBConstruct 1–358; UniProt 27–384 Author chain C; PDBConstruct 1–358; UniProt 27–384

Maltose-binding periplasmic protein,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 Insufficient information Homooligomer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain A; UniProt 1–64 Chain B; UniProt 1–64 Chain C; UniProt 1–64 Fragment:Huntingtin protein exon1 domain Mutation:HQHQH,HQHQH ZN ZINC ION × 31 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.5;278 K;PEG12K, Na Acetate, Zn Acetate, Na Cacodylate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 278K Resolution 3.00 Å R-free 0.275

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 371–452; UniProt 1–64 Author chain B; PDBConstruct 371–452; UniProt 1–64 Author chain C; PDBConstruct 371–452; UniProt 1–64

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 4fec

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4fec
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4fec
Deposition date deposition_date2012-05-30
Structure title titleCrystal Structure of Htt36Q3H
Keywords keywordsalpha helix, loop, beta-strand hairpin, Beta strand hairpin, Disease protein, SIGNALING PROTEIN; SIGNALING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier38.04
Radius of gyration Rg (electron density) rg_electron37.38
Forward intensity I(0) i0277966000.00
Molecular weight molecular_weight135700.0 kDa
Excluded volume excluded_volume169560 ų
Envelope volume envelope_volume224850 ų
Hydration-shell volume shell_volume50191 ų
Envelope diameter envelope_diameter116.7
Shell Rg shell_rg43.59
Envelope Rg envelope_rg36.63
Shape Rg shape_rg37.31
Total Rg total_rg37.99
Total atoms total_atoms9478
Residues n_residues1213
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 dmax120.9
Rg (real space) rg_real37.92
Rg uncertainty (real space) rg_real_error0.95
I(0) (real space) i0_real2.7800e+08
I(0) uncertainty (real space) i0_real_error4.3530e+06
Rg (reciprocal space) rg_reciprocal38.00
I(0) (reciprocal space) i0_reciprocal278000000.0000
Solution quality estimate total_estimate0.9093
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary46.1
Skewness Skewness skewness0.156
Kurtosis Kurtosis kurtosis-0.675
Angular range angular_range— – 0.2100 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha51400000.0000
Real-space data points n_real_points43
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.950; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.967

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 6 domains

CATH v4.4 (6 domains)

Domain ID domain_id4fecA01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology190 — D-Maltodextrin-Binding Protein; domain 2
Homologous superfamily homologous superfamily10 — Periplasmic binding protein-like II
Domain ID domain_id4fecA02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology190 — D-Maltodextrin-Binding Protein; domain 2
Homologous superfamily homologous superfamily10 — Periplasmic binding protein-like II
Domain ID domain_id4fecB01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology190 — D-Maltodextrin-Binding Protein; domain 2
Homologous superfamily homologous superfamily10 — Periplasmic binding protein-like II
Domain ID domain_id4fecB02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology190 — D-Maltodextrin-Binding Protein; domain 2
Homologous superfamily homologous superfamily10 — Periplasmic binding protein-like II
Domain ID domain_id4fecC01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology190 — D-Maltodextrin-Binding Protein; domain 2
Homologous superfamily homologous superfamily10 — Periplasmic binding protein-like II
Domain ID domain_id4fecC02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology190 — D-Maltodextrin-Binding Protein; domain 2
Homologous superfamily homologous superfamily10 — Periplasmic binding protein-like II

8. Citations (1)

9. Files and Curves (10)