5DVH

Structure of the Kunitz-type cysteine protease inhibitor PCPI-3 from potato


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5.5293Reservoir: 3 M sodium chloride, 0.1 M sodium acetate pH 5.5 Protein buffer and concentration: 5 mM sodium acetate pH 5.5 Protein concentration = 10 mg/ml protein:reservoir = 1:1
Crystal Properties
Matthews coefficientSolvent content
3.766.74

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 76.637α = 90
b = 76.637β = 90
c = 107.306γ = 90
Symmetry
Space GroupP 41 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCD2014-08-27MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONBESSY BEAMLINE 14.20.918410BESSY14.2

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
11.848.3799.70.10814.497.730248-332.094
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)
11.81.91981.3331.36

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1.848.3728731151399.660.19850.19720.2227RANDOM23.368
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]
0.480.48-0.95
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg31.98
r_dihedral_angle_4_deg18.467
r_dihedral_angle_3_deg11.95
r_dihedral_angle_1_deg7.042
r_angle_refined_deg1.514
r_angle_other_deg0.861
r_chiral_restr0.093
r_bond_refined_d0.013
r_gen_planes_refined0.008
r_bond_other_d0.003
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg31.98
r_dihedral_angle_4_deg18.467
r_dihedral_angle_3_deg11.95
r_dihedral_angle_1_deg7.042
r_angle_refined_deg1.514
r_angle_other_deg0.861
r_chiral_restr0.093
r_bond_refined_d0.013
r_gen_planes_refined0.008
r_bond_other_d0.003
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1439
Nucleic Acid Atoms
Solvent Atoms157
Heterogen Atoms3

Software

Software
Software NamePurpose
XSCALEdata scaling
MOLREPphasing
REFMACrefinement
PDB_EXTRACTdata extraction