X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP82830.2 M ammonium acetate, 0.1 M HEPES pH 7.5 and 25% w/v PEG 3,350. This solution was mixed 1:1 with 2.5mg/mL protein in 50mM Tris-HCl (pH 8.0), 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, VAPOR DIFFUSION, SITTING DROP, temperature 283K
Crystal Properties
Matthews coefficientSolvent content
2.2444.98

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 48.782α = 90
b = 80.224β = 90
c = 124.691γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-rayCCDMARMOSAIC 225 mm CCD2013-10-05MSINGLE 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 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
11.5341.680.06928.386.648344173430

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 4GPQ1.5341.6869656369398.420.152370.151150.17596RANDOM20.156
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]
-0.03-0.050.08
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg31.68
r_dihedral_angle_4_deg16.015
r_dihedral_angle_3_deg11.363
r_long_range_B_refined8.132
r_long_range_B_other8.132
r_scangle_other6.52
r_dihedral_angle_1_deg5.711
r_scbond_it4.544
r_scbond_other4.544
r_mcangle_it3.237
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg31.68
r_dihedral_angle_4_deg16.015
r_dihedral_angle_3_deg11.363
r_long_range_B_refined8.132
r_long_range_B_other8.132
r_scangle_other6.52
r_dihedral_angle_1_deg5.711
r_scbond_it4.544
r_scbond_other4.544
r_mcangle_it3.237
r_mcangle_other3.237
r_mcbond_it2.491
r_mcbond_other2.491
r_angle_refined_deg1.735
r_angle_other_deg1.061
r_chiral_restr0.12
r_bond_refined_d0.016
r_gen_planes_refined0.01
r_bond_other_d0.004
r_gen_planes_other0.002
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_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3669
Nucleic Acid Atoms
Solvent Atoms429
Heterogen Atoms81

Software

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