9vad

Crystal structure of the PDZ tandem of syntenin

Method: X-RAY DIFFRACTION Dmax: 79.0 Å Quality: REASONABLE

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

Syntenin-1

Homo sapiens

UniProt O00560

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 111–276 Not recorded No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8.5;293 K;0.2 M Lithium sulfate monohydrate, 0.1 M Tris, 25% PEG 3,350 Resolution 2.05 Å R-free 0.294
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 111–276 Not recorded No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8.5;293 K;0.2 M Lithium sulfate monohydrate, 0.1 M Tris, 25% PEG 3,350 Resolution 2.05 Å R-free 0.294

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.

64 other PDB entries and 185 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SDCB1_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–166; UniProt 111–276 Author chain B; PDBConstruct 1–166; UniProt 111–276

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 9vad

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id9vad
Deposition date deposition_date2025-06-03
Structure title titleCrystal structure of the PDZ tandem of syntenin
Keywords keywordsSyntenin-1, PDZ domain, 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_guinier22.89
Radius of gyration Rg (electron density) rg_electron21.94
Forward intensity I(0) i022713200.00
Molecular weight molecular_weight36204.0 kDa
Excluded volume excluded_volume45436 ų
Envelope volume envelope_volume55021 ų
Hydration-shell volume shell_volume21261 ų
Envelope diameter envelope_diameter82.9
Shell Rg shell_rg28.11
Envelope Rg envelope_rg22.30
Shape Rg shape_rg21.92
Total Rg total_rg22.80
Total atoms total_atoms2540
Residues n_residues332
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 dmax79.0
Rg (real space) rg_real22.87
Rg uncertainty (real space) rg_real_error0.62
I(0) (real space) i0_real2.2710e+07
I(0) uncertainty (real space) i0_real_error3.0890e+05
Rg (reciprocal space) rg_reciprocal22.88
I(0) (reciprocal space) i0_reciprocal22710000.0000
Solution quality estimate total_estimate0.6307
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary23.1
Skewness Skewness skewness0.326
Kurtosis Kurtosis kurtosis-0.300
Angular range angular_range— – 0.3450 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha12540000.0000
Real-space data points n_real_points66
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.774; Stabil: 1.000; Sysdev: 0.307; Positv: 1.000; Valcen: 0.953; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

8. Citations (1)

9. Files and Curves (10)