X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP82830.2 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
2.2344.85

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 48.553α = 90
b = 80.189β = 90
c = 124.989γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 300 mm CCD2012-08-11MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 21-ID-D0.97928APS21-ID-D

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
11.665099.50.1167.25.958205
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)
11.661.6997.20.7835.42806

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 REPLACEMENTTHROUGHOUT4GPQ1.6649.3455111293499.180.15910.15750.1884RANDOM19.443
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]
0.85-0.04-0.8
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg31.738
r_dihedral_angle_4_deg16.885
r_dihedral_angle_3_deg11.681
r_dihedral_angle_1_deg5.495
r_mcangle_it5.392
r_mcbond_it4.339
r_mcbond_other4.338
r_angle_other_deg3.647
r_angle_refined_deg1.828
r_chiral_restr0.119
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg31.738
r_dihedral_angle_4_deg16.885
r_dihedral_angle_3_deg11.681
r_dihedral_angle_1_deg5.495
r_mcangle_it5.392
r_mcbond_it4.339
r_mcbond_other4.338
r_angle_other_deg3.647
r_angle_refined_deg1.828
r_chiral_restr0.119
r_gen_planes_other0.02
r_bond_refined_d0.017
r_gen_planes_refined0.01
r_bond_other_d
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3618
Nucleic Acid Atoms
Solvent Atoms455
Heterogen Atoms80

Software

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