X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1Crystals were grown by hanging drop vapour equilibration in Nextal plates as follows: 1 ul of 10 15 mg ml-1 protein solution (10 mM Tris HCl (pH 7.4), 50 mM NaCl, and 10 mM 2-mercaptoethanol) were mixed with 1 ul of well solution composed of 50 mM HEPES (pH 7.5), 100 mM potassium formate, and 10-20% (w/v) polyethylene glycol 3350 and equilibrated at room temperature overnight against 1 ml of well solution.
Crystal Properties
Matthews coefficientSolvent content
2.244.1

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 134.745α = 90
b = 46.131β = 117.17
c = 112.694γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 315mirrors2006-01-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONALS BEAMLINE 5.0.20.98710ALS5.0.2

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
11.543.499.90.1489.24.398522904442223.5
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)
11.51.5599.60.4642.863.59750

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)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 REPLACEMENTTHROUGHOUTPDB ENTRY 1ERJ1.543.429603290444561096.790.1880.179640.178520.19766RANDOM17.716
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]
-0.12-0.080.34-0.29
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg32.246
r_dihedral_angle_4_deg17.046
r_dihedral_angle_3_deg11.848
r_dihedral_angle_1_deg7.017
r_scangle_it2.955
r_scbond_it1.914
r_angle_refined_deg1.292
r_mcangle_it1.165
r_mcbond_it0.73
r_nbtor_refined0.298
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg32.246
r_dihedral_angle_4_deg17.046
r_dihedral_angle_3_deg11.848
r_dihedral_angle_1_deg7.017
r_scangle_it2.955
r_scbond_it1.914
r_angle_refined_deg1.292
r_mcangle_it1.165
r_mcbond_it0.73
r_nbtor_refined0.298
r_nbd_refined0.196
r_symmetry_vdw_refined0.167
r_xyhbond_nbd_refined0.105
r_chiral_restr0.092
r_symmetry_hbond_refined0.092
r_bond_refined_d0.009
r_gen_planes_refined0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4853
Nucleic Acid Atoms
Solvent Atoms632
Heterogen Atoms

Software

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