1RHJ

CRYSTAL STRUCTURE OF THE COMPLEX OF CASPASE-3 WITH A PRYAZINONE INHIBITOR


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP4.829316% PEG-6000, 100 mM citrate, 20 mM L-cysteine, 5 mM glycerol, 3 mM NaN(3), pH 4.8, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.6553.66

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 50.187α = 90
b = 68.764β = 101.46
c = 93.008γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARRESEARCH2000-09-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 17-ID1.0APS17-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
12.219.995.60.05613.23.36316823028810.6
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)
2.22.2876.60.1643.412730

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-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTProtein part of 1pau.pdb2.219.92978429784298794.10.2040.252RANDOM24.1
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]
0.58-3.763.84-4.42
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d23.4
c_scangle_it3.2
c_scbond_it2.22
c_mcangle_it2.07
c_mcbond_it1.32
c_angle_deg1.3
c_improper_angle_d1
c_bond_d0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3740
Nucleic Acid Atoms
Solvent Atoms233
Heterogen Atoms82

Software

Software
Software NamePurpose
CNXrefinement
MAR345data collection
SCALEPACKdata scaling
CNXphasing