X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1CGHCATHEPSIN G (PDB ENTRY 1CGH)

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
16.50.5 UL DROPS OF PROTEIN-INHIBITOR SOLUTION (12.2 MG/ML IN 20 MM TRIS-HCL PH 8.0, 200 MM NACL) WERE MIXED WITH AN EQUAL VOLUME OF PRECIPITANT SOLUTION (25% PEG MONOMETHYLETHER-550 (V/V), 0.10 M MES PH 6.5, 10 MM ZNSO(4), 12 MM ZNCL(2)) AND INCUBATED AT ROOM TEMPERATURE OVER A RESERVOIR OF 24% W/V PEG-3350, 12.8% V/V PEG MME-550, 50 MM MES PH 6.5, 5 MM ZNSO(4), AND 6 MM ZNCL(2).
Crystal Properties
Matthews coefficientSolvent content
2.7154.32

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 48.873α = 90
b = 75.081β = 90
c = 80.261γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARRESEARCHNON-FOCUSING2000-03-06MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 17-IDAPS17-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
1219.996.60.03217.38.21995641.6
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)
122.0788.80.323.67

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE-RCATHEPSIN G (PDB ENTRY 1CGH)219.919942202796.60.23910.296RANDOM42.9
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
o_angle_deg0.025
o_bond_d0.007
o_bond_d_na
o_bond_d_prot
o_angle_d
o_angle_d_na
o_angle_d_prot
o_angle_deg_na
o_angle_deg_prot
o_dihedral_angle_d
RMS Deviations
KeyRefinement Restraint Deviation
o_angle_deg0.025
o_bond_d0.007
o_bond_d_na
o_bond_d_prot
o_angle_d
o_angle_d_na
o_angle_d_prot
o_angle_deg_na
o_angle_deg_prot
o_dihedral_angle_d
o_dihedral_angle_d_na
o_dihedral_angle_d_prot
o_improper_angle_d
o_improper_angle_d_na
o_improper_angle_d_prot
o_mcbond_it
o_mcangle_it
o_scbond_it
o_scangle_it
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1815
Nucleic Acid Atoms
Solvent Atoms58
Heterogen Atoms93

Software

Software
Software NamePurpose
HKL-2000data collection
SCALEPACKdata scaling
CNXrefinement
HKL-2000data reduction
CNXphasing