7f7i

Stapled Peptide Inhibitor in complex with PSD95 GK domain

Method: X-RAY DIFFRACTION Dmax: 158.6 Å Quality: GOOD

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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 531–713 Not recorded ACE-ARG-ILE-ARG-ARG-ASP-GLU-TYR-LEU-LYZ-ALA-ILE-GLN-NH2 × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;289 K;35 % w/v PEP 629, 100 mM HEPES (pH7.5) Resolution 2.60 Å R-free 0.262
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 531–713 Not recorded ACE-ARG-ILE-ARG-ARG-ASP-GLU-TYR-LEU-LYZ-ALA-ILE-GLN-NH2 × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;289 K;35 % w/v PEP 629, 100 mM HEPES (pH7.5) Resolution 2.60 Å R-free 0.262
3 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 531–713 Not recorded ACE-ARG-ILE-ARG-ARG-ASP-GLU-TYR-LEU-LYZ-ALA-ILE-GLN-NH2 × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;289 K;35 % w/v PEP 629, 100 mM HEPES (pH7.5) Resolution 2.60 Å R-free 0.262
4 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain D; UniProt 531–713 Not recorded ACE-ARG-ILE-ARG-ARG-ASP-GLU-TYR-LEU-LYZ-ALA-ILE-GLN-NH2 × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;289 K;35 % w/v PEP 629, 100 mM HEPES (pH7.5) Resolution 2.60 Å R-free 0.262
5 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain E; UniProt 531–713 Not recorded ACE-ARG-ILE-ARG-ARG-ASP-GLU-TYR-LEU-LYZ-ALA-ILE-GLN-NH2 × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;289 K;35 % w/v PEP 629, 100 mM HEPES (pH7.5) Resolution 2.60 Å R-free 0.262
6 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain F; UniProt 531–713 Not recorded ACE-ARG-ILE-ARG-ARG-ASP-GLU-TYR-LEU-LYZ-ALA-ILE-GLN-NH2 × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;289 K;35 % w/v PEP 629, 100 mM HEPES (pH7.5) Resolution 2.60 Å R-free 0.262

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 53 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 23–205; UniProt 531–713 Author chain B; PDBConstruct 23–205; UniProt 531–713 Author chain C; PDBConstruct 23–205; UniProt 531–713 Author chain D; PDBConstruct 23–205; UniProt 531–713 Author chain E; PDBConstruct 23–205; UniProt 531–713 Author chain F; PDBConstruct 23–205; UniProt 531–713

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 7f7i

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7f7i
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7f7i
Deposition date deposition_date2021-06-29
Structure title titleStapled Peptide Inhibitor in complex with PSD95 GK domain
Keywords keywordsMAGUK Stapled peptide entropy GK domain, 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_guinier45.04
Radius of gyration Rg (electron density) rg_electron45.77
Forward intensity I(0) i0279357000.00
Molecular weight molecular_weight133470.0 kDa
Excluded volume excluded_volume165740 ų
Envelope volume envelope_volume232700 ų
Hydration-shell volume shell_volume47106 ų
Envelope diameter envelope_diameter169.3
Shell Rg shell_rg43.56
Envelope Rg envelope_rg45.88
Shape Rg shape_rg45.78
Total Rg total_rg45.61
Total atoms total_atoms9422
Residues n_residues1167
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 dmax158.6
Rg (real space) rg_real45.71
Rg uncertainty (real space) rg_real_error2.04
I(0) (real space) i0_real2.7940e+08
I(0) uncertainty (real space) i0_real_error6.3720e+06
Rg (reciprocal space) rg_reciprocal45.05
I(0) (reciprocal space) i0_reciprocal279100000.0000
Solution quality estimate total_estimate0.7629
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary36.3
Skewness Skewness skewness0.622
Kurtosis Kurtosis kurtosis-0.284
Angular range angular_range— – 0.1750 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha31830000.0000
Real-space data points n_real_points36
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.622; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.488; Smooth: 0.558

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

8. Citations (1)

9. Files and Curves (10)