4IBW

Human p53 core domain with hot spot mutation R273H and second-site suppressor mutation T284R in sequence-specific complex with DNA


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2AC0PDB entry 2AC0, chain A

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.12931:2.4 PROTEIN/DNA RATIO, 14% PEG 3350, 0.14M NH4F, pH 6.1, Vapor diffusion, hanging drop, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.2445.05

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 137.562α = 90
b = 49.923β = 93.68
c = 34.239γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 4TOROIDAL MIRROR2008-02-25MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID14-20.9330ESRFID14-2

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
11.79401000.1176.77.421929
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.791.821000.5367.21072

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB entry 2AC0, chain A1.79134.321.362192321923111499.840.14410.14170.1876RANDOM16.1195
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d17.027
f_angle_d1.146
f_chiral_restr0.078
f_bond_d0.006
f_plane_restr0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1543
Nucleic Acid Atoms225
Solvent Atoms335
Heterogen Atoms69

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
MOLREPphasing
PHENIXrefinement
PDB_EXTRACTdata extraction
DNAdata collection
HKL-2000data reduction
HKL-2000data scaling