4G49

Room temperature X-ray diffraction of cisplatin binding to HEWL in aqueous media after 15 months of crystal storage


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2W1YPDB ENTRY 2W1Y

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1BATCH4.7295HEWL co-crystallized with cisplatin in 1 mL 10% sodium chloride + 1 ml 0.04 M sodium acetate, pH 4.7, BATCH, temperature 295K
Crystal Properties
Matthews coefficientSolvent content
2.0640.15

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 78.671α = 90
b = 78.671β = 90
c = 38.068γ = 90
Symmetry
Space GroupP 43 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray295CCDAPEX II CCD2012-01-28MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODEBRUKER AXS MICROSTAR1.5418

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
12.455.629500.15113.710.88952477042
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)
12.42.441000.6233.98.9283

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (I)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 DIFFRACTIONMIRTHROUGHOUTPDB ENTRY 2W1Y2.455.629248952477023399.90.17730.175630.20955RANDOM35.371
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]
-0.49-0.490.98
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg39.56
r_dihedral_angle_4_deg18.703
r_dihedral_angle_3_deg15.778
r_dihedral_angle_1_deg6.285
r_angle_refined_deg1.417
r_angle_other_deg0.949
r_chiral_restr0.081
r_bond_refined_d0.012
r_gen_planes_refined0.006
r_bond_other_d0.001
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg39.56
r_dihedral_angle_4_deg18.703
r_dihedral_angle_3_deg15.778
r_dihedral_angle_1_deg6.285
r_angle_refined_deg1.417
r_angle_other_deg0.949
r_chiral_restr0.081
r_bond_refined_d0.012
r_gen_planes_refined0.006
r_bond_other_d0.001
r_gen_planes_other0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_it
r_mcbond_other
r_mcangle_it
r_scbond_it
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1001
Nucleic Acid Atoms
Solvent Atoms24
Heterogen Atoms13

Software

Software
Software NamePurpose
APEXdata collection
PHASERphasing
REFMACrefinement
EVAL15data reduction
EVAL15data scaling