9gg7

Crystal structure of 14-3-3 sigma dC - C38N in complex with Tau pS324 peptide and covalent stabilizer 187

Method: X-RAY DIFFRACTION Dmax: 84.7 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 B; UniProt 1–231 Not recorded Isoform Tau-G of Microtubule-associated protein tau × 2 (P10636) TW8 4-(3,4-dihydro-2~{H}-quinoxalin-1-ylsulfonyl)benzaldehyde × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;277 K;Cocrystalization of 12 mg/ml protein, 2eq peptide and 1.8mM compound in 20 mM Sodium HEPES pH 7.5, 2 mM MgCl2, and 1.5 mM TCEP. Crystallization buffer: 0.19 M Calcium chloride dihydrate, 0.095 M Sodium HEPES pH 7.1, 5% glycerol, and28% PEG 400, mixed 1:1 with cocrystal mix Resolution 1.24 Å R-free 0.242

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 B; PDBConstruct 6–236; UniProt 1–231

Isoform Tau-G of Microtubule-associated protein tau

OrganismNot specified

UniProt P10636

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 C; UniProt 653–666 Chain P; UniProt 653–666 Non-standard monomer:Yes (specific site not provided by mmCIF) 14-3-3 protein sigma × 2 (P31947) TW8 4-(3,4-dihydro-2~{H}-quinoxalin-1-ylsulfonyl)benzaldehyde × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;277 K;Cocrystalization of 12 mg/ml protein, 2eq peptide and 1.8mM compound in 20 mM Sodium HEPES pH 7.5, 2 mM MgCl2, and 1.5 mM TCEP. Crystallization buffer: 0.19 M Calcium chloride dihydrate, 0.095 M Sodium HEPES pH 7.1, 5% glycerol, and28% PEG 400, mixed 1:1 with cocrystal mix Resolution 1.24 Å R-free 0.242

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.

248 other PDB entries and 270 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name TAU_HUMAN
Isoform P10636-9
PDB entities 2
Chains and sequence ranges Author chain C; PDBConstruct 1–14; UniProt 653–666 Author chain P; PDBConstruct 1–14; UniProt 653–666

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 9gg7

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9gg7
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9gg7
Deposition date deposition_date2024-08-13
最后修订 last_revision2025-08-27
Structure title titleCrystal structure of 14-3-3 sigma dC - C38N in complex with Tau pS324 peptide and covalent stabilizer 187
Keywords keywords14-3-3, tau, protein-protein interaction, covalent stabilization, PROTEIN BINDING; PROTEIN BINDING
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier27.57
Radius of gyration Rg (electron density) rg_electron26.54
Forward intensity I(0) i053222700.00
Molecular weight molecular_weight54987.0 kDa
Excluded volume excluded_volume68115 ų
Envelope volume envelope_volume86884 ų
Hydration-shell volume shell_volume27314 ų
Envelope diameter envelope_diameter84.9
Shell Rg shell_rg33.94
Envelope Rg envelope_rg26.16
Shape Rg shape_rg26.55
Total Rg total_rg27.32
Total atoms total_atoms3851
Residues n_residues486
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 dmax84.7
Rg (real space) rg_real27.50
Rg uncertainty (real space) rg_real_error0.41
I(0) (real space) i0_real5.3220e+07
I(0) uncertainty (real space) i0_real_error7.3580e+05
Rg (reciprocal space) rg_reciprocal27.53
I(0) (reciprocal space) i0_reciprocal53220000.0000
Solution quality estimate total_estimate0.9151
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary32.1
Skewness Skewness skewness0.184
Kurtosis Kurtosis kurtosis-0.684
Angular range angular_range— – 0.2900 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha10210000.0000
Real-space data points n_real_points59
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.978; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.993; Smooth: 0.966

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

8. Citations (1)

9. Files and Curves (10)