5LGO

Trypsin inhibitors for the treatment of pancreatitis - cpd 15


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP298Crystallization Reservoir Solution = 25% PEG3350, 0.2 M LISO4, 100 mM Bis-Tris pH 6.5 Crystallization Protein Solution = 60 mg/ml in 1 mM HCl, 10 mM CaCl2. Complex Formation Method = Soaking Crystallization Protocol = equal volumes (0.3ul+0.3ul) Crystallization Method = Vapor diffusion - Hanging drop Crystallization Temperature = 298.0 Cryo Protocol = The crystal was directly flash cooled in the nitrogen gas stream at 100 Kelvin. Crystal from cocrystallization soaked in 1 mM cpd 15 (in DMSO) overnight.
Crystal Properties
Matthews coefficientSolvent content
2.0239.1

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 55.232α = 90
b = 55.232β = 90
c = 106.981γ = 120
Symmetry
Space GroupP 31 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 2M2013-07-14MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSLS BEAMLINE X10SA1.000SLSX10SA

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
11.1247.8399.90.04421.265.72733348.38

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 DIFFRACTIONTHROUGHOUT1.1235.6673333366799.880.17570.17460.1966RANDOM12.31
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]
0.36270.3627-0.7254
RMS Deviations
KeyRefinement Restraint Deviation
t_other_torsion14.57
t_omega_torsion5.28
t_angle_deg1.18
t_bond_d0.01
t_dihedral_angle_d
t_incorr_chiral_ct
t_pseud_angle
t_trig_c_planes
t_gen_planes
t_it
RMS Deviations
KeyRefinement Restraint Deviation
t_other_torsion14.57
t_omega_torsion5.28
t_angle_deg1.18
t_bond_d0.01
t_dihedral_angle_d
t_incorr_chiral_ct
t_pseud_angle
t_trig_c_planes
t_gen_planes
t_it
t_nbd
t_improper_torsion
t_chiral_improper_torsion
t_sum_occupancies
t_utility_distance
t_utility_angle
t_utility_torsion
t_ideal_dist_contact
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1700
Nucleic Acid Atoms
Solvent Atoms279
Heterogen Atoms42

Software

Software
Software NamePurpose
BUSTERrefinement
XDSdata reduction
XSCALEdata scaling
PHASERphasing