X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7
Temperature 303.0
Details 100 mM magnesium acetate, 150 mM potassium chloride, 10 mM lithium chloride, 50 mM HEPES sodium, pH 7.0, 5% PEG8000, VAPOR DIFFUSION, HANGING DROP, temperature 303K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 89.19 α = 90
b = 95.44 β = 90
c = 224.71 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 ADSC QUANTUM 315 -- 2011-11-28
Diffraction Radiation
Monochromator Protocol
double crystal Si(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 24-ID-C 0.9795 APS 24-ID-C

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
3.22 50 99.8 0.066 -- -- 4.8 -- 30139 -- -- --
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)
3.22 3.3 100.0 1.023 -- 1.6 4.9 --

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 3.22 49.16 -- -- -- 30139 1600 99.61 -- 0.18608 0.18379 0.22958 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 3.22 3.303 -- 101 2025 0.341 0.399 -- 99.63
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 132.735
Anisotropic B[1][1] 1.9
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 1.29
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -3.2
RMS Deviations
Key Refinement Restraint Deviation
r_gen_planes_refined 0.012
r_chiral_restr 0.145
r_angle_refined_deg 2.587
r_bond_refined_d 0.008
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 0
Nucleic Acid Atoms 8415
Heterogen Atoms 90
Solvent Atoms 27

Software

Computing
Computing Package Purpose
XDS Data Reduction (intensity integration)
XSCALE Data Reduction (data scaling)
PHASER Structure Solution
REFMAC 5.6.0117 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.6.0117 refinement
PHASER model building