X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5HANGING DROP, RESERVOIR: 23% PEG2000, 180MM AM2SO4, 3.5% DIOXANE 100 MM SODIUM ACETATE, PH 4.6. DROP: 1:1 RATIO OF HIRUSTASIN:KALLIKREIN IN 20MM TRIS-HCL, PH 8.0, pH 5.0, vapor diffusion - hanging drop
Crystal Properties
Matthews coefficientSolvent content
2.7756.49

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 116.9α = 90
b = 86β = 90
c = 69.4γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray297IMAGE PLATEMARRESEARCH1995-11-26M
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE BM1AESRFBM1A

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
12.42597.90.12611.23.527511
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)
2.42.4598.60.4742.33.1

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (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 REPLACEMENTTHROUGHOUTPDB ENTRY 2PKA2.4826769267897.90.2050.2050.311RANDOM46.2
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]
-6.484.422.07
RMS Deviations
KeyRefinement Restraint Deviation
x_dihedral_angle_d26.22
x_scangle_it2.5
x_mcangle_it2
x_scbond_it2
x_angle_deg1.719
x_mcbond_it1.5
x_improper_angle_d1.379
x_bond_d0.011
x_bond_d_na
x_bond_d_prot
RMS Deviations
KeyRefinement Restraint Deviation
x_dihedral_angle_d26.22
x_scangle_it2.5
x_mcangle_it2
x_scbond_it2
x_angle_deg1.719
x_mcbond_it1.5
x_improper_angle_d1.379
x_bond_d0.011
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4280
Nucleic Acid Atoms
Solvent Atoms304
Heterogen Atoms

Software

Software
Software NamePurpose
MARXDSdata collection
MARSCALEdata reduction
AMoREphasing
X-PLORrefinement
MARXDSdata reduction
MARSCALEdata scaling