9qnl

BAD pS118 phosphopeptide binding to 14-3-3sigma

Method: X-RAY DIFFRACTION Dmax: 69.2 Å Quality: GOOD

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 Not recorded Bcl2-associated agonist of cell death × 2 (Q92934) CA CALCIUM ION × 10 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 1.30 Å R-free 0.195

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

Bcl2-associated agonist of cell death

OrganismNot specified

UniProt Q92934

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 B; UniProt 114–123 Non-standard monomer:Yes (specific site not provided by mmCIF) 14-3-3 protein sigma × 2 (P31947) CA CALCIUM ION × 10 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 1.30 Å R-free 0.195

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 BAD_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–10; UniProt 114–123

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 9qnl

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id9qnl
Deposition date deposition_date2025-03-25
Structure title titleBAD pS118 phosphopeptide binding to 14-3-3sigma
Keywords keywords14-3-3 protein-protein interactions, 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_guinier20.40
Radius of gyration Rg (electron density) rg_electron19.29
Forward intensity I(0) i014827300.00
Molecular weight molecular_weight27977.0 kDa
Excluded volume excluded_volume34642 ų
Envelope volume envelope_volume41834 ų
Hydration-shell volume shell_volume18554 ų
Envelope diameter envelope_diameter70.1
Shell Rg shell_rg25.23
Envelope Rg envelope_rg19.80
Shape Rg shape_rg19.25
Total Rg total_rg20.25
Total atoms total_atoms1948
Residues n_residues245
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 dmax69.2
Rg (real space) rg_real20.37
Rg uncertainty (real space) rg_real_error0.41
I(0) (real space) i0_real1.4830e+07
I(0) uncertainty (real space) i0_real_error1.8230e+05
Rg (reciprocal space) rg_reciprocal20.38
I(0) (reciprocal space) i0_reciprocal14830000.0000
Solution quality estimate total_estimate0.8802
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary24.7
Skewness Skewness skewness0.334
Kurtosis Kurtosis kurtosis-0.220
Angular range angular_range— – 0.3900 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha3045000.0000
Real-space data points n_real_points71
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.821; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.992; Smooth: 0.984

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

8. Citations (1)

9. Files and Curves (10)