9udj

Crystal structure of PSD95 in complex with 4-dimethylaminophenol

Method: X-RAY DIFFRACTION Dmax: 75.1 Å Quality: REASONABLE

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

Disks large homolog 4

Rattus norvegicus

UniProt P31016

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 533–713 Fragment:Guanylate kinase-like No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;289.15 K;0.1 M Sodium citrate tribasic dihydrate (pH 5.5), 18% w/v Polyethylene glycol 3,350. Resolution 2.44 Å R-free 0.274
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 533–713 Fragment:Guanylate kinase-like A1EOW 4-(dimethylamino)phenol × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;289.15 K;0.1 M Sodium citrate tribasic dihydrate (pH 5.5), 18% w/v Polyethylene glycol 3,350. Resolution 2.44 Å R-free 0.274

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.

40 other PDB entries and 57 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name DLG4_RAT
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–181; UniProt 533–713 Author chain B; PDBConstruct 1–181; UniProt 533–713

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 9udj

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id9udj
Deposition date deposition_date2025-04-07
最后修订 last_revision2026-04-15
Structure title titleCrystal structure of PSD95 in complex with 4-dimethylaminophenol
Keywords keywordsPSD95, GK domain, Neuroscience, Synaptic protein, STRUCTURAL PROTEIN; STRUCTURAL PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier23.86
Radius of gyration Rg (electron density) rg_electron23.20
Forward intensity I(0) i057840100.00
Molecular weight molecular_weight38854.0 kDa
Excluded volume excluded_volume37174 ų
Envelope volume envelope_volume65656 ų
Hydration-shell volume shell_volume24226 ų
Envelope diameter envelope_diameter76.9
Shell Rg shell_rg29.69
Envelope Rg envelope_rg22.89
Shape Rg shape_rg23.19
Total Rg total_rg23.80
Total atoms total_atoms2948
Residues n_residues362
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 dmax75.1
Rg (real space) rg_real24.30
Rg uncertainty (real space) rg_real_error0.17
I(0) (real space) i0_real5.6910e+07
I(0) uncertainty (real space) i0_real_error6.8510e+05
Rg (reciprocal space) rg_reciprocal23.86
I(0) (reciprocal space) i0_reciprocal57840000.0000
Solution quality estimate total_estimate0.6898
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary25.8
Skewness Skewness skewness0.369
Kurtosis Kurtosis kurtosis-0.418
Angular range angular_range— – 0.3350 −1
Current regularization parameter α current_alpha6.9960
Highest regularization parameter α highest_alpha10630000.0000
Real-space data points n_real_points65
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.943; Stabil: 0.920; Sysdev: 0.000; Positv: 1.000; Valcen: 0.986; Smooth: 0.421

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

8. Citations (1)

9. Files and Curves (10)