X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1ATKSearch model consists of a polyalanine homology model of cathepsin S constructed from cathepsin K (PDB code 1atk) and Cathepsin L from the procathepsin L (PDB code 1cj1)
experimental modelPDB 1CJ1Search model consists of a polyalanine homology model of cathepsin S constructed from cathepsin K (PDB code 1atk) and Cathepsin L from the procathepsin L (PDB code 1cj1)

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5.5293Sodium Acetate, Ammonium Sulphate, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.3346.9

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 108.083α = 90
b = 108.083β = 90
c = 105.305γ = 120
Symmetry
Space GroupH 3

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray293AREA DETECTORMARRESEARCH2001-07-07MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RU3001.5418

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
123098.50.0917.52.88562283669
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
122.0796.10.503

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTSearch model consists of a polyalanine homology model of cathepsin S constructed from cathepsin K (PDB code 1atk) and Cathepsin L from the procathepsin L (PDB code 1cj1)230288972889714160.1920.219
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]
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d23.4
c_angle_d1.5
c_improper_angle_d0.95
c_bond_d0.012
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3374
Nucleic Acid Atoms
Solvent Atoms175
Heterogen Atoms74

Software

Software
Software NamePurpose
MAR345data collection
SCALEPACKdata scaling
CNSrefinement
CNSphasing