6B6Q

Orthorhombic trypsin cryocooled to 100 K with 50% xylose as cryoprotectant


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP295Well: 25% PEG 8K, 0.2 M AmSO4, 0.1 M benzamidine Hal, 0.1 M Tris buffer pH 8.0 Protein: 40 mg/mL in water
Crystal Properties
Matthews coefficientSolvent content
2.2545.44

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 54.426α = 90
b = 58.273β = 90
c = 66.321γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDOXFORD ONYX CCD2016-04-12MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SEALED TUBEOXFORD DIFFRACTION NOVA1.54

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)CC (Half)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
1213.898.9126.73.3146168.87480534197
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
122.110.9914.5

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 REPLACEMENTFREE R-VALUE2.0000679445913.32895034711.36843829821457176599.01467790160.1219116794450.1193193975920.17011931530711.6915999175
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
f_dihedral_angle_d10.2237054696
f_angle_d0.848412745896
f_chiral_restr0.0571153595363
f_bond_d0.00692727408044
f_plane_restr0.00491584873844
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1629
Nucleic Acid Atoms
Solvent Atoms239
Heterogen Atoms40

Software

Software
Software NamePurpose
CrysalisProdata reduction
SCALAdata scaling
Cootmodel building
PHENIXrefinement