2FX4

Bovine trypsin bound by 4-piperidinebutyrate to make acylenzyme complex


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION8.229825-35 mg/ml protein, 10 mM benzamidine, 0.9-1.2 M Magnesium sulfate, 25-50 mM Tris-HCl, 1.0 mM CaCl2, hanging/sitting drop, 4piperidinebutyrate, pH 8.20, VAPOR DIFFUSION, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
3.0259.23

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 63.94α = 90
b = 63.21β = 90
c = 69.67γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray280IMAGE PLATERIGAKU RAXIS IVOsmic mirrors2004-05-05MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RUH3R1.5418

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
11.6537.799.20.0513464334643
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)
1.651.7497.50.2022

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONFOURIER SYNTHESIS1.657339063390634400.190.190.1880.198RANDOM
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
x_dihedral_angle_d26.3
x_angle_deg3.5
x_improper_angle_d0.54
x_bond_d0.016
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1667
Nucleic Acid Atoms
Solvent Atoms157
Heterogen Atoms12

Software

Software
Software NamePurpose
CrystalCleardata reduction
X-PLORrefinement
CrystalCleardata scaling