3UNS

Bovine trypsin variant X(triplePhe227) in complex with small molecule inhibitor


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1V2K 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP729320% PEG8000, 0.1M AMMONIUM SULPHATE, 0.1M IMIDAZOLE, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.2244.51

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 54.274α = 90
b = 57.183β = 90
c = 66.885γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDRIGAKU SATURN 944+MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU1.542

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
11.843.4899.90.08310.25.71987919879-3.7
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)
11.81.861000.4143.45.51951

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (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 DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1V2K1.843.481988919865101799.90.179350.179350.17480.2278RANDOM23.768
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]
0.42-0.780.37
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.26
r_dihedral_angle_3_deg13.148
r_dihedral_angle_4_deg12.866
r_dihedral_angle_1_deg6.378
r_scangle_it3.086
r_scbond_it2.091
r_angle_refined_deg1.463
r_mcangle_it1.241
r_mcbond_it0.69
r_chiral_restr0.092
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.26
r_dihedral_angle_3_deg13.148
r_dihedral_angle_4_deg12.866
r_dihedral_angle_1_deg6.378
r_scangle_it3.086
r_scbond_it2.091
r_angle_refined_deg1.463
r_mcangle_it1.241
r_mcbond_it0.69
r_chiral_restr0.092
r_bond_refined_d0.013
r_gen_planes_refined0.007
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1636
Nucleic Acid Atoms
Solvent Atoms292
Heterogen Atoms47

Software

Software
Software NamePurpose
CrystalCleardata collection
PHASERphasing
REFMACrefinement
d*TREKdata reduction
d*TREKdata scaling