5mg7

New Insights into the Role of DNA Shape on Its Recognition by p53 Proteins (complex p53DBD-p53R2)

Method: X-RAY DIFFRACTION Dmax: 82.2 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–DNA Homooligomer Protein × 4 DNA 2 PDB declaration: hexameric(6) Consistent with all polymer counts Chain A; UniProt 94–293 Chain B; UniProt 94–293 Fragment:P53 DNA Binding Domain, UNP Residues 94-293 DNA × 2 ZN ZINC ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions:EVAPORATION;pH 7;292 K;0.07 M ammonium tartrate dibasic, 8.4% Polyethylene glycol 3,350 Resolution 1.45 Å R-free 0.202

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 1–200; UniProt 94–293 Author chain B; PDBConstruct 1–200; UniProt 94–293

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 5mg7

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 5mg7
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2. Structure Basics 2. Structure Basics

Entry ID entry_id5mg7
Deposition date deposition_date2016-11-21
Structure title titleNew Insights into the Role of DNA Shape on Its Recognition by p53 Proteins (complex p53DBD-p53R2)
Keywords keywords;transcription, P53, TRANSCRIPTION FACTOR, DNA BINDING, DNA RECOGNITION, HOOGSTEEN BASE-PAIRING, TRANSCRIPTION REGULATION, APOPTOSIS, BIOLOGICAL RHYTHMS, CELL CYCLE, NUCLEUS, TUMOR SUPPRESSOR, ANTIGEN NY-CO-13, PHOSPHOPROTEIN ;; TRANSCRIPTION
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier26.10
Radius of gyration Rg (electron density) rg_electron24.90
Forward intensity I(0) i054481100.00
Molecular weight molecular_weight50136.0 kDa
Excluded volume excluded_volume59775 ų
Envelope volume envelope_volume79877 ų
Hydration-shell volume shell_volume26886 ų
Envelope diameter envelope_diameter88.7
Shell Rg shell_rg31.88
Envelope Rg envelope_rg24.84
Shape Rg shape_rg24.88
Total Rg total_rg25.68
Total atoms total_atoms3471
Residues n_residues418
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 dmax82.2
Rg (real space) rg_real26.03
Rg uncertainty (real space) rg_real_error0.66
I(0) (real space) i0_real5.4480e+07
I(0) uncertainty (real space) i0_real_error7.4190e+05
Rg (reciprocal space) rg_reciprocal26.05
I(0) (reciprocal space) i0_reciprocal54480000.0000
Solution quality estimate total_estimate0.8264
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary29.6
Skewness Skewness skewness0.223
Kurtosis Kurtosis kurtosis-0.493
Angular range angular_range— – 0.3050 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha5432000.0000
Real-space data points n_real_points62
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.915; Stabil: 0.998; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id5mg7A00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily720
Domain ID domain_id5mg7B00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily720

8. Citations (1)

9. Files and Curves (10)