4AUC

Bovine chymosin in complex with Pepstatin A


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
15.5RESERVOIR: 75 MM BIS-TRIS PH 5.5, 0.15 M NACL, 19% (W/V) PEG3350, 7.5 MM CDCL2. SAMPLE: 7.2 MG/ML OF PROTEIN COMPLEX IN 10 MM NAH2PO4 PH 6
Crystal Properties
Matthews coefficientSolvent content
3.160

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 93.5α = 90
b = 93.5β = 90
c = 89γ = 120
Symmetry
Space GroupP 32 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6MTOROIDAL MIRROR WITH RH COATING2012-04-24MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID29ESRFID29

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
11.65099.90.04278.7597105.518.85
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)
11.61.6999.50.395.58.5

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTPDB ENTRY 1CMS1.641.3882.0159607300999.940.17540.17430.197124.7
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]
-1.0212-1.02122.0424
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d14.365
f_angle_d1.249
f_chiral_restr0.095
f_bond_d0.019
f_plane_restr0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2559
Nucleic Acid Atoms
Solvent Atoms326
Heterogen Atoms18

Software

Software
Software NamePurpose
PHENIXrefinement
XDSdata reduction
XDSdata scaling
PHENIXphasing