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
2.2846.1

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 49.013α = 90
b = 80.178β = 90
c = 124.887γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCD2012-03-10MSINGLE 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
11.865083.20.0786.82.934967
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)
11.861.8985.10.3822.81748

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 REPLACEMENTTHROUGHOUT4GPQ1.8636.9534967175083.260.16460.16230.2081RANDOM21.441
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_deg31.511
r_dihedral_angle_4_deg15.995
r_dihedral_angle_3_deg12.817
r_dihedral_angle_1_deg5.977
r_angle_other_deg3.629
r_mcangle_it2.716
r_mcbond_it1.763
r_mcbond_other1.763
r_angle_refined_deg1.613
r_chiral_restr0.099
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg31.511
r_dihedral_angle_4_deg15.995
r_dihedral_angle_3_deg12.817
r_dihedral_angle_1_deg5.977
r_angle_other_deg3.629
r_mcangle_it2.716
r_mcbond_it1.763
r_mcbond_other1.763
r_angle_refined_deg1.613
r_chiral_restr0.099
r_bond_refined_d0.015
r_gen_planes_other0.015
r_gen_planes_refined0.008
r_bond_other_d
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3630
Nucleic Acid Atoms
Solvent Atoms232
Heterogen Atoms78

Software

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