6bqt

Complex of 14-3-3 theta with an IRSp53 peptide doubly-phosphorylated at T340 and T360

Method: X-RAY DIFFRACTION Dmax: 173.6 Å Quality: GOOD

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

14-3-3 protein theta

Homo sapiens

UniProt P27348

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 × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain A; UniProt 1–245 Chain B; UniProt 1–245 Not recorded Insulin receptor substrate protein of 53 kDa, peptide (IRSp53) × 1 (Q9UQB8) PE4 2-{2-[2-(2-{2-[2-(2-ETHOXY-ETHOXY)-ETHOXY]-ETHOXY}-ETHOXY)-ETHOXY]-ETHOXY}-ETHANOL × 1 1PE PENTAETHYLENE GLYCOL × 3 EDO 1,2-ETHANEDIOL × 1 PG4 TETRAETHYLENE GLYCOL × 1 GOL GLYCEROL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;291.15 K;0.1 M CaCl2, 13% Peg 3350 Resolution 2.80 Å R-free 0.287
2 Protein heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain D; UniProt 1–245 Chain E; UniProt 1–245 Not recorded Insulin receptor substrate protein of 53 kDa, peptide (IRSp53) × 1 (Q9UQB8) EDO 1,2-ETHANEDIOL × 1 PG4 TETRAETHYLENE GLYCOL × 2 PGE TRIETHYLENE GLYCOL × 1 PEG DI(HYDROXYETHYL)ETHER × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;291.15 K;0.1 M CaCl2, 13% Peg 3350 Resolution 2.80 Å R-free 0.287
3 Protein heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain G; UniProt 1–245 Chain H; UniProt 1–245 Not recorded Insulin receptor substrate protein of 53 kDa, peptide (IRSp53) × 1 (Q9UQB8) 1PE PENTAETHYLENE GLYCOL × 2 GOL GLYCEROL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;291.15 K;0.1 M CaCl2, 13% Peg 3350 Resolution 2.80 Å R-free 0.287
4 Protein heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain J; UniProt 1–245 Chain K; UniProt 1–245 Not recorded Insulin receptor substrate protein of 53 kDa, peptide (IRSp53) × 1 (Q9UQB8) 1PE PENTAETHYLENE GLYCOL × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;291.15 K;0.1 M CaCl2, 13% Peg 3350 Resolution 2.80 Å R-free 0.287

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.

7 other PDB entries and 8 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name 1433T_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–245; UniProt 1–245 Author chain B; PDBConstruct 1–245; UniProt 1–245 Author chain D; PDBConstruct 1–245; UniProt 1–245 Author chain E; PDBConstruct 1–245; UniProt 1–245 Author chain G; PDBConstruct 1–245; UniProt 1–245 Author chain H; PDBConstruct 1–245; UniProt 1–245 Author chain J; PDBConstruct 1–245; UniProt 1–245 Author chain K; PDBConstruct 1–245; UniProt 1–245

Insulin receptor substrate protein of 53 kDa, peptide (IRSp53)

OrganismNot specified

UniProt Q9UQB8

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 × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain C; UniProt 335–366 Non-standard monomer:Yes (specific site not provided by mmCIF) 14-3-3 protein theta × 2 (P27348) PE4 2-{2-[2-(2-{2-[2-(2-ETHOXY-ETHOXY)-ETHOXY]-ETHOXY}-ETHOXY)-ETHOXY]-ETHOXY}-ETHANOL × 1 1PE PENTAETHYLENE GLYCOL × 3 EDO 1,2-ETHANEDIOL × 1 PG4 TETRAETHYLENE GLYCOL × 1 GOL GLYCEROL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;291.15 K;0.1 M CaCl2, 13% Peg 3350 Resolution 2.80 Å R-free 0.287
2 Protein heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain F; UniProt 335–366 Non-standard monomer:Yes (specific site not provided by mmCIF) 14-3-3 protein theta × 2 (P27348) EDO 1,2-ETHANEDIOL × 1 PG4 TETRAETHYLENE GLYCOL × 2 PGE TRIETHYLENE GLYCOL × 1 PEG DI(HYDROXYETHYL)ETHER × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;291.15 K;0.1 M CaCl2, 13% Peg 3350 Resolution 2.80 Å R-free 0.287
3 Protein heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain I; UniProt 335–366 Non-standard monomer:Yes (specific site not provided by mmCIF) 14-3-3 protein theta × 2 (P27348) 1PE PENTAETHYLENE GLYCOL × 2 GOL GLYCEROL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;291.15 K;0.1 M CaCl2, 13% Peg 3350 Resolution 2.80 Å R-free 0.287
4 Protein heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain L; UniProt 335–366 Non-standard monomer:Yes (specific site not provided by mmCIF) 14-3-3 protein theta × 2 (P27348) 1PE PENTAETHYLENE GLYCOL × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;291.15 K;0.1 M CaCl2, 13% Peg 3350 Resolution 2.80 Å R-free 0.287

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.

8 other PDB entries and 10 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name BAIP2_HUMAN
Isoform Q9UQB8-2
PDB entities 2
Chains and sequence ranges Author chain C; PDBConstruct 1–32; UniProt 335–366 Author chain F; PDBConstruct 1–32; UniProt 335–366 Author chain I; PDBConstruct 1–32; UniProt 335–366 Author chain L; PDBConstruct 1–32; UniProt 335–366

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 6bqt

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6bqt
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6bqt
Deposition date deposition_date2017-11-28
Structure title titleComplex of 14-3-3 theta with an IRSp53 peptide doubly-phosphorylated at T340 and T360
Keywords keywordsphosphate binding protein, protein complex, cytoskeleton regulation, cell motility, 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_guinier51.22
Radius of gyration Rg (electron density) rg_electron51.26
Forward intensity I(0) i0717886000.00
Molecular weight molecular_weight221120.0 kDa
Excluded volume excluded_volume276630 ų
Envelope volume envelope_volume417950 ų
Hydration-shell volume shell_volume70880 ų
Envelope diameter envelope_diameter179.5
Shell Rg shell_rg52.31
Envelope Rg envelope_rg49.23
Shape Rg shape_rg51.28
Total Rg total_rg51.23
Total atoms total_atoms31020
Residues n_residues1891
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 dmax173.6
Rg (real space) rg_real51.32
Rg uncertainty (real space) rg_real_error1.92
I(0) (real space) i0_real7.1790e+08
I(0) uncertainty (real space) i0_real_error1.4340e+07
Rg (reciprocal space) rg_reciprocal51.12
I(0) (reciprocal space) i0_reciprocal717700000.0000
Solution quality estimate total_estimate0.8738
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary56.0
Skewness Skewness skewness0.343
Kurtosis Kurtosis kurtosis-0.446
Angular range angular_range— – 0.1550 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha32640000.0000
Real-space data points n_real_points32
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.901; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.957; Smooth: 0.696

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (10)

7. Fold Classification (SCOP + CATH) 8 domains

CATH v4.4 (8 domains)

Domain ID domain_id6bqtA00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology190 — Delta-Endotoxin; domain 1
Homologous superfamily homologous superfamily20 — 14-3-3 domain
Domain ID domain_id6bqtB00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology190 — Delta-Endotoxin; domain 1
Homologous superfamily homologous superfamily20 — 14-3-3 domain
Domain ID domain_id6bqtD00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology190 — Delta-Endotoxin; domain 1
Homologous superfamily homologous superfamily20 — 14-3-3 domain
Domain ID domain_id6bqtE00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology190 — Delta-Endotoxin; domain 1
Homologous superfamily homologous superfamily20 — 14-3-3 domain
Domain ID domain_id6bqtG00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology190 — Delta-Endotoxin; domain 1
Homologous superfamily homologous superfamily20 — 14-3-3 domain
Domain ID domain_id6bqtH00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology190 — Delta-Endotoxin; domain 1
Homologous superfamily homologous superfamily20 — 14-3-3 domain
Domain ID domain_id6bqtJ00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology190 — Delta-Endotoxin; domain 1
Homologous superfamily homologous superfamily20 — 14-3-3 domain
Domain ID domain_id6bqtK00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology190 — Delta-Endotoxin; domain 1
Homologous superfamily homologous superfamily20 — 14-3-3 domain

8. Citations (1)

9. Files and Curves (10)