8qsh

Ternary structure of 14-3-3s, ARAF phosphopeptide (pS214) and compound 23 (1083848).

Method: X-RAY DIFFRACTION Dmax: 84.1 Å Quality: EXCELLENT

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

14-3-3 protein sigma

Homo sapiens

UniProt P31947

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 × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 1–231 Chain J; UniProt 1–231 Not recorded ARAF peptide pS214 × 2 WQI 2-chloranyl-~{N}-[[1-(4-iodophenyl)sulfonylpiperidin-4-yl]methyl]ethanamide × 2 MG MAGNESIUM ION × 7 CL CHLORIDE ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;277 K;0.095 M HEPES pH=7.1-7.7 0.19 M CaCl2 5% glycerol 24-29% PEG400 Resolution 1.80 Å R-free 0.215

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.

523 other PDB entries and 543 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name 1433S_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 6–236; UniProt 1–231 Author chain J; PDBConstruct 6–236; UniProt 1–231

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 8qsh

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8qsh
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8qsh
Deposition date deposition_date2023-10-10
Structure title titleTernary structure of 14-3-3s, ARAF phosphopeptide (pS214) and compound 23 (1083848).
Keywords keywords14-3-3, protein-protein interaction stabilizer, PEPTIDE BINDING PROTEIN; PEPTIDE BINDING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier27.39
Radius of gyration Rg (electron density) rg_electron26.74
Forward intensity I(0) i0103069000.00
Molecular weight molecular_weight52009.0 kDa
Excluded volume excluded_volume49383 ų
Envelope volume envelope_volume88223 ų
Hydration-shell volume shell_volume27564 ų
Envelope diameter envelope_diameter86.5
Shell Rg shell_rg34.09
Envelope Rg envelope_rg26.32
Shape Rg shape_rg26.73
Total Rg total_rg27.31
Total atoms total_atoms3886
Residues n_residues482
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 dmax84.1
Rg (real space) rg_real27.35
Rg uncertainty (real space) rg_real_error0.50
I(0) (real space) i0_real1.0310e+08
I(0) uncertainty (real space) i0_real_error1.4720e+06
Rg (reciprocal space) rg_reciprocal27.37
I(0) (reciprocal space) i0_reciprocal103100000.0000
Solution quality estimate total_estimate0.9118
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary29.0
Skewness Skewness skewness0.205
Kurtosis Kurtosis kurtosis-0.687
Angular range angular_range— – 0.2900 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha15550000.0000
Real-space data points n_real_points59
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.974; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.986; Smooth: 0.941

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

8. Citations (1)

9. Files and Curves (10)