1QZR

CRYSTAL STRUCTURE OF THE ATPASE REGION OF SACCHAROMYCES CEREVISIAE TOPOISOMERASE II BOUND TO ICRF-187 (DEXRAZOXANE)


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1microbatch under oil6.5293PEG 1500, POTASSIUM CHLORIDE, GLYCEROL, SODIUM CACODYLATE, pH 6.5, microbatch under oil, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.3447.54

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 58.553α = 90
b = 71.444β = 90
c = 215.724γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 42002-07-20MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONALS BEAMLINE 8.3.11.1271ALS8.3.1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)R Sym 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
11.95090.80.0570.05716.13.3655766006428.34
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.91.9759.80.2980.2983.22.1

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 1PVG1.945.186557660064551290.790.199110.199110.195650.23741RANDOM27.203
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]
2.22-0.98-1.24
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_1_deg5.803
r_scangle_it3.248
r_scbond_it1.956
r_mcangle_it1.187
r_angle_refined_deg1.038
r_mcbond_it0.609
r_nbd_refined0.191
r_symmetry_vdw_refined0.154
r_xyhbond_nbd_refined0.123
r_symmetry_hbond_refined0.1
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_1_deg5.803
r_scangle_it3.248
r_scbond_it1.956
r_mcangle_it1.187
r_angle_refined_deg1.038
r_mcbond_it0.609
r_nbd_refined0.191
r_symmetry_vdw_refined0.154
r_xyhbond_nbd_refined0.123
r_symmetry_hbond_refined0.1
r_chiral_restr0.081
r_bond_refined_d0.011
r_gen_planes_refined0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6110
Nucleic Acid Atoms
Solvent Atoms766
Heterogen Atoms83

Software

Software
Software NamePurpose
REFMACrefinement
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing