4NSJ

Carboplatin binding to HEWL in 2M NH4formate, 0.1M HEPES at pH 7.5


X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.529820mg of HEWL (0.6mM) was dissolved in 1ml distilled water. 1.4mg of carboplatin (1.8mM) was added with 75 l DMSO. 2 l of this was mixed with 2 l of resevoir solution 2M NH4formate, 0.1M HEPES at pH 7.5 , VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
1.9436.75

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 77.496α = 90
b = 77.496β = 90
c = 37.123γ = 90
Symmetry
Space GroupP 43 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDAPEX II CCD2013-08-08MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODEBRUKER AXS MICROSTAR-H1.5418

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
11.733.594.70.21219.363.5130551236742
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)
11.71.898.70.9421.430.1

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 (All)R-Factor (Observed)R-Work (Depositor)R-Work (DCC)R-Free (Depositor)R-Free (DCC)R-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONSADTHROUGHOUTPDB ENTRY 2W1Y1.733.524130551236763299.590.2010.201890.19920.210.257570.26RANDOM19.237
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]
-0.14-0.140.29
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.772
r_dihedral_angle_4_deg20.572
r_dihedral_angle_3_deg15.837
r_long_range_B_refined6.867
r_dihedral_angle_1_deg6.337
r_scbond_it3.071
r_mcangle_it2.365
r_angle_refined_deg2.156
r_mcbond_it1.635
r_chiral_restr0.131
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1001
Nucleic Acid Atoms
Solvent Atoms61
Heterogen Atoms74

Software

Software
Software NamePurpose
APEXdata collection
PHASERphasing
REFMACrefinement
SAINTdata reduction
APEXdata reduction