5o1b

p53 cancer mutant Y220C in complex with compound MB84

Method: X-RAY DIFFRACTION Dmax: 75.3 Å Quality: EXCELLENT

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 Fragment:UNP residues 94-312 Mutation:M133L, V203A, Y220C, N239Y, N268D ZN ZINC ION × 1 9H2 6-(hydroxymethyl)-2,4-bis(iodanyl)-3-pyrrol-1-yl-phenol × 1 GOL GLYCEROL × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;Protein solution: 6 mg/ml protein in 25 mM sodium phosphate, ph 7.2, 150 mm KCl, 5 mm DTT. Reservoir buffer: 100 mm HEPES, pH 7.2, 19% (w/v) polyethylene glycol 4000, 5 mm DTT. Soaking buffer: 30 mM compound in 100 mm HEPES, ph 7.2, 10 mM sodium phosphate, ph 7.2, 19% (w/v) polyethylene glycol 4000, 20 % (v/v) glycerol, 150 mm KCl. Resolution 1.43 Å R-free 0.174
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 94–312 Fragment:UNP residues 94-312 Mutation:M133L, V203A, Y220C, N239Y, N268D ZN ZINC ION × 1 9H2 6-(hydroxymethyl)-2,4-bis(iodanyl)-3-pyrrol-1-yl-phenol × 1 GOL GLYCEROL × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;Protein solution: 6 mg/ml protein in 25 mM sodium phosphate, ph 7.2, 150 mm KCl, 5 mm DTT. Reservoir buffer: 100 mm HEPES, pH 7.2, 19% (w/v) polyethylene glycol 4000, 5 mm DTT. Soaking buffer: 30 mM compound in 100 mm HEPES, ph 7.2, 10 mM sodium phosphate, ph 7.2, 19% (w/v) polyethylene glycol 4000, 20 % (v/v) glycerol, 150 mm KCl. Resolution 1.43 Å R-free 0.174

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 461 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 Author chain B; 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 5o1b

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 5o1b
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2. Structure Basics 2. Structure Basics

Entry ID entry_id5o1b
Deposition date deposition_date2017-05-18
Structure title titlep53 cancer mutant Y220C in complex with compound MB84
Keywords keywords;p53, tumor suppressor, cancer mutation, protein stabilization, small-molecule stabilizers, cancer therapy, DNA binding protein, molecular chaperones ;; DNA BINDING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier24.51
Radius of gyration Rg (electron density) rg_electron23.53
Forward intensity I(0) i039409600.00
Molecular weight molecular_weight44894.0 kDa
Excluded volume excluded_volume54443 ų
Envelope volume envelope_volume67579 ų
Hydration-shell volume shell_volume24074 ų
Envelope diameter envelope_diameter78.4
Shell Rg shell_rg30.28
Envelope Rg envelope_rg23.28
Shape Rg shape_rg23.50
Total Rg total_rg24.32
Total atoms total_atoms3091
Residues n_residues394
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 dmax75.3
Rg (real space) rg_real24.42
Rg uncertainty (real space) rg_real_error0.47
I(0) (real space) i0_real3.9410e+07
I(0) uncertainty (real space) i0_real_error5.9270e+05
Rg (reciprocal space) rg_reciprocal24.44
I(0) (reciprocal space) i0_reciprocal39410000.0000
Solution quality estimate total_estimate0.9163
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary29.9
Skewness Skewness skewness0.173
Kurtosis Kurtosis kurtosis-0.594
Angular range angular_range— – 0.3250 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha3366000.0000
Real-space data points n_real_points64
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.971; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.995

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd5o1ba_
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
Domain ID domain_idd5o1bb_
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 (2 domains)

Domain ID domain_id5o1bA00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily720
Domain ID domain_id5o1bB00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily720

8. Citations (1)

9. Files and Curves (10)