3EDQ

Crystal structure of Caspase-3 with inhibitor AC-LDESD-CHO


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7298100 MM SODIUM CITRATE, 5% GLYCEROL, 10 MM DITHIOTHREITOL AND 14-18% PEG6000, PH 7.0., VAPOR DIFFUSION, HANGING DROP, temperature 298.0K
Crystal Properties
Matthews coefficientSolvent content
2.4252.07

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 67.375α = 90
b = 93.562β = 90
c = 97.617γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 300 mm CCD2007-07-26MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 22-ID1.0APS22-ID

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
11.615090.10.07515.34.9728957260122
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)
11.611.6763.90.4162.42.3

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-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R2H651.6110227289572601363290.20.21480.21250.17750.2233RANDOM
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]
Coordinate Error
Structure Solution MethodRefinement High ResolutionRefinement Low Resolution
24154
RMS Deviations
KeyRefinement Restraint Deviation
s_approx_iso_adps0.093
s_non_zero_chiral_vol0.053
s_zero_chiral_vol0.041
s_similar_adp_cmpnt0.039
s_angle_d0.029
s_from_restr_planes0.0279
s_anti_bump_dis_restr0.016
s_bond_d0.009
s_rigid_bond_adp_cmpnt0.003
s_similar_dist
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3870
Nucleic Acid Atoms
Solvent Atoms276
Heterogen Atoms

Software

Software
Software NamePurpose
MAR345data collection
PHASERphasing
SHELXL-97refinement
HKL-2000data scaling