3igl

Diversity in DNA recognition by p53 revealed by crystal structures with Hoogsteen base pairs (p53-DNA complex 1)

Method: X-RAY DIFFRACTION Dmax: 62.6 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 × 2 DNA 2 PDB declaration: tetrameric(4) Consistent with all polymer counts Chain A; UniProt 94–293 Fragment:P53 core domain, unp residues 94-293 ;DNA (5'-D(*CP*GP*GP*GP*CP*AP*TP*GP*CP*CP*CP*G)-3') ; × 2 ZN ZINC ION × 2 EDO 1,2-ETHANEDIOL × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.1;293 K;0.16M SODIUM ACETATE, 16% PEG 3350, pH 6.1, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 1.80 Å R-free 0.212

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

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 3igl

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id3igl
Deposition date deposition_date2009-07-28
Structure title titleDiversity in DNA recognition by p53 revealed by crystal structures with Hoogsteen base pairs (p53-DNA complex 1)
Keywords keywords;P53, MUTANT PROTEIN, LOOP-SHEET-HELIX MOTIF, DNA TARGET, ACTIVATOR, ANTI-ONCOGENE APOPTOSIS, CELL CYCLE, COVALENT PROTEIN-RNA LINKAGE, DISEASE MUTATION, DNA-BINDING, ENDOPLASMIC RETICULUM, GLYCOPROTEIN, HOST-VIRUS INTERACTION, LI-FRAUMENI SYNDROME, METAL-BINDING, METHYLATION, NUCLEUS, PHOSPHOPROTEIN, TRANSCRIPTION, TRANSCRIPTION REGULATION, TRANSCRIPTION/DNA COMPLE, Apoptosis, Isopeptide bond, Tumor suppressor, TRANSCRIPTION-DNA complex ;; TRANSCRIPTION/DNA
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier19.71
Radius of gyration Rg (electron density) rg_electron18.29
Forward intensity I(0) i015348200.00
Molecular weight molecular_weight25578.0 kDa
Excluded volume excluded_volume30394 ų
Envelope volume envelope_volume38339 ų
Hydration-shell volume shell_volume17834 ų
Envelope diameter envelope_diameter62.7
Shell Rg shell_rg24.26
Envelope Rg envelope_rg18.57
Shape Rg shape_rg18.27
Total Rg total_rg19.17
Total atoms total_atoms1769
Residues n_residues209
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 dmax62.6
Rg (real space) rg_real19.65
Rg uncertainty (real space) rg_real_error0.31
I(0) (real space) i0_real1.5350e+07
I(0) uncertainty (real space) i0_real_error1.7500e+05
Rg (reciprocal space) rg_reciprocal19.66
I(0) (reciprocal space) i0_reciprocal15350000.0000
Solution quality estimate total_estimate0.8945
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary60.9
Skewness Skewness skewness0.279
Kurtosis Kurtosis kurtosis-0.271
Angular range angular_range— – 0.4050 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1566000.0000
Real-space data points n_real_points72
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.875; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.999

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd3igla_
Class classb — All beta proteins
Fold Fold foldb.2 — Common fold of diphtheria toxin/transcription factors/cytochrome f
Superfamily Superfamily superfamilyb.2.5 — p53-like transcription factors
Family Family familyb.2.5.2 — p53 DNA-binding domain-like

CATH v4.4 (1 domains)

Domain ID domain_id3iglA00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily720

8. Citations (1)

9. Files and Curves (10)