4JVV

Crystal structure of the evolved variant of the computationally designed serine hydrolase, OSH55.4_H1, covalently bound with diisopropyl fluorophosphate (DFP), Northeast Structural Genomics Consortium (NESG) Target OR273


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 4JCAPDB ENTRY 4JCA

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1microbatch under oil10277Protein solution: 100mM NaCl, 5mM DTT, 0.02% NaN3, 10mM Tris-HCl (pH 7.5) . Reservoir solution: NH4Cl 0.1M, CAPS 0.1M, PEG400 40%, microbatch under oil, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
2.6152.94

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 70.153α = 90
b = 67.668β = 94.35
c = 37.537γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 4mirrors2012-11-20MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X4A0.97894NSLSX4A

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
12.2885098.80.071237.37903-320.09

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-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 4JCA2.28826.581.44759437095.270.1950.1920.244random31.035
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_d14.11
f_angle_d1.193
f_chiral_restr0.08
f_bond_d0.007
f_plane_restr0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1177
Nucleic Acid Atoms
Solvent Atoms93
Heterogen Atoms

Software

Software
Software NamePurpose
PHENIXrefinement
PDB_EXTRACTdata extraction
ADSCdata collection
HKL-2000data reduction
HKL-2000data scaling
BALBESphasing