5mxo

Crystal structure of 14-3-3sigma and a p53 C-terminal 12-mer synthetic phosphopeptide stabilized by Fusicoccin-A

Method: X-RAY DIFFRACTION Dmax: 63.3 Å Quality: GOOD

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

14-3-3 protein sigma

Homo sapiens

UniProt P31947

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 × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 1–231 Not recorded p53 C-terminal 12 amino acids × 2 FSC FUSICOCCIN × 2 CL CHLORIDE ION × 2 MG MAGNESIUM ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;277 K;0.095 M HEPES, pH 7.1, 29% PEG 400, 0.19 M CaCl2, 5% glycerol Resolution 1.20 Å R-free 0.182

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.

523 other PDB entries and 543 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name 1433S_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 6–236; UniProt 1–231

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 5mxo

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id5mxo
Deposition date deposition_date2017-01-24
Structure title titleCrystal structure of 14-3-3sigma and a p53 C-terminal 12-mer synthetic phosphopeptide stabilized by Fusicoccin-A
Keywords keywords14-3-3 p53 Fusicoccin antitumor protein, ANTITUMOR PROTEIN; ANTITUMOR PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier19.49
Radius of gyration Rg (electron density) rg_electron18.26
Forward intensity I(0) i012510400.00
Molecular weight molecular_weight26231.0 kDa
Excluded volume excluded_volume32810 ų
Envelope volume envelope_volume38116 ų
Hydration-shell volume shell_volume17672 ų
Envelope diameter envelope_diameter65.8
Shell Rg shell_rg24.30
Envelope Rg envelope_rg18.69
Shape Rg shape_rg18.24
Total Rg total_rg19.25
Total atoms total_atoms3671
Residues n_residues225
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 dmax63.3
Rg (real space) rg_real19.42
Rg uncertainty (real space) rg_real_error0.40
I(0) (real space) i0_real1.2510e+07
I(0) uncertainty (real space) i0_real_error1.6550e+05
Rg (reciprocal space) rg_reciprocal19.43
I(0) (reciprocal space) i0_reciprocal12510000.0000
Solution quality estimate total_estimate0.8126
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary25.0
Skewness Skewness skewness0.224
Kurtosis Kurtosis kurtosis-0.378
Angular range angular_range— – 0.4100 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha2821000.0000
Real-space data points n_real_points72
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.855; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.995; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id5mxoA00
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)