6byk

Structure of 14-3-3 beta/alpha bound to O-ClcNAc peptide

Method: X-RAY DIFFRACTION Dmax: 100.3 Å Quality: GOOD

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

14-3-3 protein beta/alpha

Homo sapiens

UniProt P31946

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 3–232 Not recorded ATPPVSQASSTT O-GlcNac peptide × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;298 K;30% PEG 4000, 200 mM sodium acetate, 0.1 M Tris pH 8.5 Resolution 3.00 Å R-free 0.268
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 3–232 Not recorded ATPPVSQASSTT O-GlcNac peptide × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;298 K;30% PEG 4000, 200 mM sodium acetate, 0.1 M Tris pH 8.5 Resolution 3.00 Å R-free 0.268
3 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 3–232 Not recorded ATPPVSQASSTT O-GlcNac peptide × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;298 K;30% PEG 4000, 200 mM sodium acetate, 0.1 M Tris pH 8.5 Resolution 3.00 Å R-free 0.268
4 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain D; UniProt 3–232 Not recorded ATPPVSQASSTT O-GlcNac peptide × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;298 K;30% PEG 4000, 200 mM sodium acetate, 0.1 M Tris pH 8.5 Resolution 3.00 Å R-free 0.268

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.

16 other PDB entries and 21 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name 1433B_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–230; UniProt 3–232 Author chain B; PDBConstruct 1–230; UniProt 3–232 Author chain C; PDBConstruct 1–230; UniProt 3–232 Author chain D; PDBConstruct 1–230; UniProt 3–232

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 6byk

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id6byk
Deposition date deposition_date2017-12-20
Structure title titleStructure of 14-3-3 beta/alpha bound to O-ClcNAc peptide
Keywords keywords14-3-3, OGT, OGA, O-GlcNac peptide, 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_guinier33.42
Radius of gyration Rg (electron density) rg_electron32.55
Forward intensity I(0) i0187324000.00
Molecular weight molecular_weight107730.0 kDa
Excluded volume excluded_volume134200 ų
Envelope volume envelope_volume180180 ų
Hydration-shell volume shell_volume44754 ų
Envelope diameter envelope_diameter106.5
Shell Rg shell_rg40.80
Envelope Rg envelope_rg32.07
Shape Rg shape_rg32.51
Total Rg total_rg33.32
Total atoms total_atoms14704
Residues n_residues948
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 dmax100.3
Rg (real space) rg_real33.26
Rg uncertainty (real space) rg_real_error0.58
I(0) (real space) i0_real1.8730e+08
I(0) uncertainty (real space) i0_real_error2.6810e+06
Rg (reciprocal space) rg_reciprocal33.36
I(0) (reciprocal space) i0_reciprocal187300000.0000
Solution quality estimate total_estimate0.8988
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary46.9
Skewness Skewness skewness0.085
Kurtosis Kurtosis kurtosis-0.534
Angular range angular_range— – 0.2350 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha24390000.0000
Real-space data points n_real_points48
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.964; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.990; Smooth: 0.799

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_id6bykA00
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_id6bykB00
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_id6bykC00
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_id6bykD00
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)