X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7277Polymerase (6.7 mg/ml), terminal protein (3.3 mg/ml) in 50 mM NaCl, 50 mM Tris-HCl pH 7.5, 20 mM Ammonium sulfate, 1 mM dithiothreitol, mixed with an equal volume of well solution containing: 2.0 M sodium/potassium phosphate, pH 7, 100 mM sodium acetate , VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
4.8674.69

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 304.933α = 90
b = 220.281β = 45.4
c = 217.165γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 315Monochromator2004-12-20MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X251.1NSLSX25

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
135099.90.0853.8202498202295-3
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)
133.111000.011.253.820192

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTA lower resolution partially refined complex determined by heavy atom phasing348.851821242022852016199.680.2030.2030.20.229RANDOM99.908
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]
-0.50.510.08-0.31
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.37
r_dihedral_angle_3_deg16.951
r_dihedral_angle_4_deg15.145
r_scangle_it7.498
r_dihedral_angle_1_deg5.166
r_scbond_it4.723
r_mcangle_it2.81
r_mcbond_it1.61
r_angle_refined_deg1.002
r_nbtor_refined0.307
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.37
r_dihedral_angle_3_deg16.951
r_dihedral_angle_4_deg15.145
r_scangle_it7.498
r_dihedral_angle_1_deg5.166
r_scbond_it4.723
r_mcangle_it2.81
r_mcbond_it1.61
r_angle_refined_deg1.002
r_nbtor_refined0.307
r_nbd_refined0.194
r_xyhbond_nbd_refined0.131
r_symmetry_vdw_refined0.128
r_symmetry_hbond_refined0.077
r_chiral_restr0.072
r_bond_refined_d0.007
r_gen_planes_refined0.003
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms37092
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms16

Software

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