X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Microbatch Under Oil
pH 7.2
Temperature 298.0
Details 20% PEG 3350, 0.2 M magnesium chloride at pH 7.2 , Microbatch under oil, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 66.6 α = 90
b = 116.53 β = 90
c = 250.73 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MAR 225 -- 2008-11-25
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 22-BM 1.0 APS 22-BM

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
3 50 92.3 -- 0.143 -- 4.9 39424 36358 -- -- --
High Resolution Shell
Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
3.0 3.11 75.6 -- 0.354 8.2 4.4 --

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 3.0 50.0 -- -- -- 33421 1779 87.96 -- 0.2082 0.20535 0.26047 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 3.0 3.078 -- 86 1632 0.284 0.361 -- 59.63
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 40.805
Anisotropic B[1][1] 3.05
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 2.57
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -5.61
RMS Deviations
Key Refinement Restraint Deviation
r_dihedral_angle_3_deg 17.316
r_mcangle_it 1.794
r_scbond_it 3.354
r_mcbond_it 0.825
r_angle_refined_deg 1.085
r_dihedral_angle_1_deg 5.612
r_gen_planes_refined 0.004
r_dihedral_angle_4_deg 16.217
r_chiral_restr 0.074
r_scangle_it 5.615
r_dihedral_angle_2_deg 36.628
r_bond_refined_d 0.008
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 11341
Nucleic Acid Atoms 0
Heterogen Atoms 236
Solvent Atoms 68

Software

Software
Software Name Purpose
HKL-2000 data collection
PHASER phasing
REFMAC refinement version: 5.5.0044
HKL-2000 data reduction
HKL-2000 data scaling