X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
Temperature 293.0
Details 40mM Tris pH 8.0, 250mM NaCl, 30mM MgCl2, 5mM DTT, 1.6-2.0M ammonium sulfate, 100mM sodium acetate buffer pH 5.0-5.5, vapor diffusion, sitting drop, temperature 293K, VAPOR DIFFUSION, SITTING DROP

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 70.74 α = 90
b = 70.74 β = 90
c = 66.61 γ = 120
Symmetry
Space Group P 31

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315 -- 2009-12-14
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON AUSTRALIAN SYNCHROTRON BEAMLINE MX2 0.96 Australian Synchrotron MX2

Data Collection

Overall
Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot
1.75 61.3 -- -- -- -- -- 37635 37635 -- -- --

Refinement

Statistics
Structure Solution Method Refinement High Resolution Refinement Low Resolution Cut-off Sigma (I) Cut-off Sigma (F) Number of Reflections (All) Number of Reflections (Observed) Number of Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work R-Free R-Free Selection Details
MOLECULAR REPLACEMENT 1.75 61.27 -- 0.0 -- 37630 1880 99.99 -- 0.1608 0.1587 0.1993 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 1.75 1.795 -- 150 2678 0.267 0.33 -- 100.0
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 23.7749
Anisotropic B[1][1] 0.21
Anisotropic B[1][2] 0.1
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.21
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.31
RMS Deviations
Key Refinement Restraint Deviation
r_angle_refined_deg 2.318
r_chiral_restr 0.198
r_dihedral_angle_2_deg 29.933
r_dihedral_angle_3_deg 14.552
r_gen_planes_refined 0.013
r_dihedral_angle_1_deg 6.309
r_bond_refined_d 0.03
r_dihedral_angle_4_deg 10.671
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2446
Nucleic Acid Atoms 0
Heterogen Atoms 50
Solvent Atoms 141

Software

Software
Software Name Purpose
MOSFLM data reduction
SCALA data scaling
PHASER phasing
REFMAC refinement version: 5.6.0062
PDB_EXTRACT data extraction version: 3.10