X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP82930.2 M ammonium acetate, 0.1 M HEPES and 25% w/v PEG 3,350. This solution was mixed 1:1 with 2.5mg/mL protein in 50mM Tris-HCl, 50mM NaCl, and 1mM TCEP. Prior to data collection, crystals were transferred into a cryo-solution containing 20% PEG550 MME and flash-frozen in liquid nitrogen
Crystal Properties
Matthews coefficientSolvent content
2.244.09

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 48.133α = 90
b = 79.998β = 90
c = 124.668γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCD2012-08-11MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 21-ID-F0.97872APS21-ID-F

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
11.83501000.096.66.943420
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)
11.831.861000.7296.92125

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 REPLACEMENTTHROUGHOUT4GPQ1.8340.0341071218099.90.1660.1640.211RANDOM32.73
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]
0.970.61-1.58
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg31.876
r_dihedral_angle_4_deg14.311
r_dihedral_angle_3_deg13.121
r_mcangle_it7.143
r_mcbond_other6.537
r_mcbond_it6.535
r_dihedral_angle_1_deg6.106
r_angle_other_deg3.605
r_angle_refined_deg1.734
r_chiral_restr0.113
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg31.876
r_dihedral_angle_4_deg14.311
r_dihedral_angle_3_deg13.121
r_mcangle_it7.143
r_mcbond_other6.537
r_mcbond_it6.535
r_dihedral_angle_1_deg6.106
r_angle_other_deg3.605
r_angle_refined_deg1.734
r_chiral_restr0.113
r_bond_refined_d0.018
r_gen_planes_other0.017
r_gen_planes_refined0.009
r_bond_other_d
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_mcangle_other
r_scbond_it
r_scbond_other
r_scangle_it
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3608
Nucleic Acid Atoms
Solvent Atoms266
Heterogen Atoms92

Software

Software
Software NamePurpose
REFMACrefinement
HKL-2000data scaling
PDB_EXTRACTdata extraction
HKL-2000data reduction
MOLREPphasing