8qwk

Structure of p53 cancer mutant Y126C

Method: X-RAY DIFFRACTION Dmax: 54.4 Å Quality: GOOD

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

Cellular tumor antigen p53

Homo sapiens

UniProt P04637

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 94–312 Not recorded ZN ZINC ION × 1 EDO 1,2-ETHANEDIOL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;Protein solution: 5.5-6.0 mg/ml in 25 mM HEPES (pH 7.5), 300 mM NaCl, 0.5 mM TCEP. Reservoir buffer: 0.7 M sodium citrate and 0.1 M bis-tris-propane (pH 7.0). Resolution 1.69 Å R-free 0.218

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.

291 other PDB entries and 462 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name P53_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–219; UniProt 94–312

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 8qwk

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8qwk
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8qwk
Deposition date deposition_date2023-10-19
最后修订 last_revision2024-06-19
Structure title titleStructure of p53 cancer mutant Y126C
Keywords keywordstumor suppressor, transcription factor, cancer mutation, protein stability, conformational mutant, DNA BINDING PROTEIN; DNA BINDING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier17.28
Radius of gyration Rg (electron density) rg_electron15.98
Forward intensity I(0) i09109700.00
Molecular weight molecular_weight20920.0 kDa
Excluded volume excluded_volume25668 ų
Envelope volume envelope_volume29947 ų
Hydration-shell volume shell_volume15651 ų
Envelope diameter envelope_diameter53.7
Shell Rg shell_rg22.10
Envelope Rg envelope_rg16.31
Shape Rg shape_rg15.99
Total Rg total_rg16.99
Total atoms total_atoms1458
Residues n_residues186
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 dmax54.4
Rg (real space) rg_real17.16
Rg uncertainty (real space) rg_real_error0.31
I(0) (real space) i0_real9.1100e+06
I(0) uncertainty (real space) i0_real_error1.0520e+05
Rg (reciprocal space) rg_reciprocal17.18
I(0) (reciprocal space) i0_reciprocal9110000.0000
Solution quality estimate total_estimate0.8936
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary22.2
Skewness Skewness skewness0.108
Kurtosis Kurtosis kurtosis-0.435
Angular range angular_range— – 0.4600 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1400000.0000
Real-space data points n_real_points77
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.889; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.991; Smooth: 0.956

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

8. Citations (1)

9. Files and Curves (10)