X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP82980.1 M Tris, 25% PEG 3350, 0.1 M MgCl2, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.4649.96

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 57.527α = 90
b = 82.608β = 90
c = 116.888γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 325 mm CCDRh coated flat mirror; toroidal focusing mirror2009-02-04MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL9-21.0SSRLBL9-2

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
11.45367.4299.40.0521.77.197666
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)
11.4531.595.20.3735.79250

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 REPLACEMENTTHROUGHOUTSelenomethionine-labeled IsdB-N21.45367.4297572487698.860.17990.1780.2168RANDOM20.6395
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]
-0.690.270.41
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg42.477
r_dihedral_angle_4_deg19.244
r_dihedral_angle_3_deg14.355
r_dihedral_angle_1_deg6.601
r_sphericity_free6.368
r_sphericity_bonded4.342
r_scangle_it3.823
r_scbond_it2.632
r_mcangle_it2.022
r_rigid_bond_restr1.487
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg42.477
r_dihedral_angle_4_deg19.244
r_dihedral_angle_3_deg14.355
r_dihedral_angle_1_deg6.601
r_sphericity_free6.368
r_sphericity_bonded4.342
r_scangle_it3.823
r_scbond_it2.632
r_mcangle_it2.022
r_rigid_bond_restr1.487
r_angle_refined_deg1.379
r_mcbond_it1.232
r_chiral_restr0.084
r_bond_refined_d0.011
r_gen_planes_refined0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3866
Nucleic Acid Atoms
Solvent Atoms623
Heterogen Atoms178

Software

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