5d13

Third PDZ domain (PDZ3) of PSD-95 complexed with CFMOC-KKETEV peptide

Method: X-RAY DIFFRACTION Dmax: 85.4 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 302–402 Fragment:unp residues 302-402 CFMOC-KKETEV peptide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.2;295 K;20 mM HEPES 100 mM NaCl 1.8 M tri-sodium citrate Resolution 2.15 Å R-free 0.257
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 302–402 Fragment:unp residues 302-402 CFMOC-KKETEV peptide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.2;295 K;20 mM HEPES 100 mM NaCl 1.8 M tri-sodium citrate Resolution 2.15 Å R-free 0.257
3 Protein heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain C; UniProt 302–402 Fragment:unp residues 302-402 CFMOC-KKETEV peptide × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.2;295 K;20 mM HEPES 100 mM NaCl 1.8 M tri-sodium citrate Resolution 2.15 Å R-free 0.257
4 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain D; UniProt 302–402 Fragment:unp residues 302-402 CFMOC-KKETEV peptide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.2;295 K;20 mM HEPES 100 mM NaCl 1.8 M tri-sodium citrate Resolution 2.15 Å R-free 0.257

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 55 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 6–106; UniProt 302–402 Author chain B; PDBConstruct 6–106; UniProt 302–402 Author chain C; PDBConstruct 6–106; UniProt 302–402 Author chain D; PDBConstruct 6–106; UniProt 302–402

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 5d13

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 5d13
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2. Structure Basics 2. Structure Basics

Entry ID entry_id5d13
Deposition date deposition_date2015-08-03
Structure title titleThird PDZ domain (PDZ3) of PSD-95 complexed with CFMOC-KKETEV peptide
Keywords keywordsprotein-peptide complex, signaling protein-inhibitor complex; signaling protein/inhibitor
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier28.24
Radius of gyration Rg (electron density) rg_electron27.18
Forward intensity I(0) i034204200.00
Molecular weight molecular_weight43552.0 kDa
Excluded volume excluded_volume53713 ų
Envelope volume envelope_volume73620 ų
Hydration-shell volume shell_volume23195 ų
Envelope diameter envelope_diameter86.3
Shell Rg shell_rg33.56
Envelope Rg envelope_rg26.71
Shape Rg shape_rg27.22
Total Rg total_rg27.78
Total atoms total_atoms5829
Residues n_residues426
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 dmax85.4
Rg (real space) rg_real28.15
Rg uncertainty (real space) rg_real_error0.51
I(0) (real space) i0_real3.4200e+07
I(0) uncertainty (real space) i0_real_error4.8030e+05
Rg (reciprocal space) rg_reciprocal28.18
I(0) (reciprocal space) i0_reciprocal34210000.0000
Solution quality estimate total_estimate0.8971
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary42.7
Skewness Skewness skewness0.076
Kurtosis Kurtosis kurtosis-0.769
Angular range angular_range— – 0.2800 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha12580000.0000
Real-space data points n_real_points57
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.930; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.968; Smooth: 0.899

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

Domain ID domain_id5d13A00
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology42 — Pdz3 Domain
Homologous superfamily homologous superfamily10 — PDZ domain
Domain ID domain_id5d13B00
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology42 — Pdz3 Domain
Homologous superfamily homologous superfamily10 — PDZ domain
Domain ID domain_id5d13C00
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology42 — Pdz3 Domain
Homologous superfamily homologous superfamily10 — PDZ domain
Domain ID domain_id5d13D00
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology42 — Pdz3 Domain
Homologous superfamily homologous superfamily10 — PDZ domain

8. Citations (1)

9. Files and Curves (10)