2OQN

High Pressure Cryocooling of Capillary Sample Cryoprotection and Diffraction Phasing at Long Wavelengths


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1LXZPDB ENTRY 1lxz

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1Crystallized in a polycarbonate capillary by vapor diffusion72930.9 M sodium potassium tartrate, pH 7.0, Crystallized in a polycarbonate capillary by vapor diffusion , temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.8556.79

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 57.968α = 90
b = 57.968β = 90
c = 150.716γ = 90
Symmetry
Space GroupP 41 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray110CCDADSC QUANTUM 2102006-01-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONCHESS BEAMLINE F21.7463CHESSF2

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
11.93099.40.0893212.32090917.1
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
1.91.9793.90.17553.5

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (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 DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 1lxz1.928.9919833106999.70.177640.175560.21623RANDOM17.117
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
r_dihedral_angle_2_deg39.514
r_dihedral_angle_4_deg20.232
r_dihedral_angle_3_deg12.226
r_dihedral_angle_1_deg6.447
r_scangle_it3.706
r_scbond_it2.327
r_mcangle_it1.379
r_angle_refined_deg1.322
r_mcbond_it0.831
r_nbtor_refined0.302
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg39.514
r_dihedral_angle_4_deg20.232
r_dihedral_angle_3_deg12.226
r_dihedral_angle_1_deg6.447
r_scangle_it3.706
r_scbond_it2.327
r_mcangle_it1.379
r_angle_refined_deg1.322
r_mcbond_it0.831
r_nbtor_refined0.302
r_symmetry_vdw_refined0.241
r_nbd_refined0.221
r_symmetry_hbond_refined0.177
r_xyhbond_nbd_refined0.151
r_chiral_restr0.095
r_bond_refined_d0.014
r_gen_planes_refined0.005
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
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 Atoms1550
Nucleic Acid Atoms
Solvent Atoms401
Heterogen Atoms10

Software

Software
Software NamePurpose
REFMACrefinement
ADSCdata collection
HKL-2000data reduction
HKL-2000data scaling
MOLREPphasing