3ts8

Crystal structure of a multidomain human p53 tetramer bound to the natural CDKN1A(p21) p53-response element

Method: X-RAY DIFFRACTION Dmax: 105.7 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 94–291 Chain A; UniProt 321–356 Chain B; UniProt 94–291 Chain B; UniProt 321–356 Chain C; UniProt 94–291 Chain C; UniProt 321–356 Chain D; UniProt 94–291 Chain D; UniProt 321–356 Fragment:p53 DNA-binding (UNP residues 94-291) and Oligomerization (UNP residues 321-356) domains Mutation:C135V, C141V, W146Y, C182S, V203A, R209P, C229Y, H233Y, Y234F, N235K, Y236F, T253V, N268D, P322t, L323M, M340Q, L344R, G356T CDKN1A(p21) sense strand × 1 CDKN1A(p21) anti-sense strand × 1 ZN ZINC ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;277 K;0.2 M potassium tartrate tetrahydrate, 20% Polyethylene Glycol 3350, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K Resolution 2.80 Å R-free 0.283

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 1–198; UniProt 94–291 Author chain A; PDBConstruct 199–234; UniProt 321–356 Author chain B; PDBConstruct 1–198; UniProt 94–291 Author chain B; PDBConstruct 199–234; UniProt 321–356 Author chain C; PDBConstruct 1–198; UniProt 94–291 Author chain C; PDBConstruct 199–234; UniProt 321–356 Author chain D; PDBConstruct 1–198; UniProt 94–291 Author chain D; PDBConstruct 199–234; UniProt 321–356

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 3ts8

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3ts8
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3ts8
Deposition date deposition_date2011-09-12
Structure title titleCrystal structure of a multidomain human p53 tetramer bound to the natural CDKN1A(p21) p53-response element
Keywords keywordsbeta sandwich, multidomain, oligomerization, TP53, p53, tumor suppressor, tetramer, DNA binding, ANTITUMOR PROTEIN-DNA complex; ANTITUMOR PROTEIN/DNA
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier33.56
Radius of gyration Rg (electron density) rg_electron33.46
Forward intensity I(0) i0295723000.00
Molecular weight molecular_weight122520.0 kDa
Excluded volume excluded_volume146760 ų
Envelope volume envelope_volume204840 ų
Hydration-shell volume shell_volume49898 ų
Envelope diameter envelope_diameter118.9
Shell Rg shell_rg41.24
Envelope Rg envelope_rg33.16
Shape Rg shape_rg33.55
Total Rg total_rg33.73
Total atoms total_atoms8516
Residues n_residues988
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 dmax105.7
Rg (real space) rg_real33.42
Rg uncertainty (real space) rg_real_error0.58
I(0) (real space) i0_real2.9570e+08
I(0) uncertainty (real space) i0_real_error3.7860e+06
Rg (reciprocal space) rg_reciprocal33.51
I(0) (reciprocal space) i0_reciprocal295700000.0000
Solution quality estimate total_estimate0.8958
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary42.7
Skewness Skewness skewness0.206
Kurtosis Kurtosis kurtosis-0.384
Angular range angular_range— – 0.2350 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha32620000.0000
Real-space data points n_real_points48
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.900; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.993; Smooth: 0.948

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

Domain ID domain_id3ts8A00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily720
Domain ID domain_id3ts8B00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily720
Domain ID domain_id3ts8C00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily720
Domain ID domain_id3ts8D00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily720

8. Citations (1)

9. Files and Curves (10)