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Neutron structure of cationic trypsin in complex with aniline


NEUTRON DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 4I8H 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.52770.2 M ammonium sulfate, 0.1 M Hepes pH 7.5, 16.5% (w/v) PEG 8000

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 54.902α = 90
b = 58.453β = 90
c = 67.476γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11neutron295IMAGE PLATEMAATEL BIODIFF2016-07-22MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1NUCLEAR REACTORFRM II BEAMLINE BIODIFF2.667FRM IIBIODIFF

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
11.435093.80.0987.2532.538342
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)
11.431.4582.10.3871.8581.6

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-Work (Depositor)R-Free (Depositor)R-Free Selection DetailsMean Isotropic B
NEUTRON DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT4I8H1.4322.091.3438317191193.820.16530.16390.1934Random selection
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_d13.596
f_angle_d1.037
f_chiral_restr0.086
f_bond_d0.005
f_plane_restr0.005

Software

Software
Software NamePurpose
PHENIXrefinement
HKL-2000data reduction
HKL-2000data scaling
PHASERphasing
Cootmodel building