2ADY

Structural Basis of DNA Recognition by p53 Tetramers (complex IV)


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.2293Ammonium Fluoride, PEG 3350, pH 6.2, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.346

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 91.997α = 90
b = 67.903β = 92.97
c = 74.989γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATERIGAKU RAXIS IV++Osmic Inc. MSC - Blue Confocal Mirrors2004-10-05MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RUH3R1.5418

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
12.53896.20.11412.84.2161131551744.5
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)
2.52.5698.40.4432.941029

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 1TSR2.537.53161131551777396.310.1690.1690.1640.251RANDOM36.501
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]
-0.77-1.44-0.681.3
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.826
r_dihedral_angle_4_deg20.202
r_dihedral_angle_3_deg20.083
r_scangle_it8.094
r_dihedral_angle_1_deg7.137
r_scbond_it5.961
r_mcangle_it3.909
r_mcbond_it2.412
r_angle_refined_deg1.999
r_nbtor_refined0.318
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.826
r_dihedral_angle_4_deg20.202
r_dihedral_angle_3_deg20.083
r_scangle_it8.094
r_dihedral_angle_1_deg7.137
r_scbond_it5.961
r_mcangle_it3.909
r_mcbond_it2.412
r_angle_refined_deg1.999
r_nbtor_refined0.318
r_symmetry_hbond_refined0.273
r_symmetry_vdw_refined0.265
r_nbd_refined0.237
r_xyhbond_nbd_refined0.222
r_chiral_restr0.109
r_bond_refined_d0.016
r_gen_planes_refined0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3091
Nucleic Acid Atoms486
Solvent Atoms213
Heterogen Atoms2

Software

Software
Software NamePurpose
REFMACrefinement
PDB_EXTRACTdata extraction
DENZOdata reduction
SCALEPACKdata scaling
CNSphasing