X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 7.5
Temperature 293.15
Details 25% PEG 3350, 0.1M HEPES pH 7.5, 0.2M Litium Sulphate; Drop volume: 0.3ul; Protein proportion: 67%; Protein concentration: 10 mg/ml, VAPOR DIFFUSION, SITTING DROP, temperature 293.15K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 71.63 α = 90
b = 79.79 β = 92.48
c = 98.41 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 70
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315r -- 2009-11-06
Diffraction Radiation
Monochromator Protocol
Si(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-4 0.94 ESRF ID14-4

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
2.6 53.27 93.3 0.093 -- -- 2.3 17109 15911 -- -- 55.24
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)
2.6 2.74 96.3 0.369 -- 2.0 2.3 --

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 2.6 53.27 -- 0.0 15911 15907 798 92.7 -- 0.229 0.2259 0.2876 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 2.6 2.78 -- 157 2804 0.205 0.2961 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 45.83
Anisotropic B[1][1] -4.4624
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 9.983
Anisotropic B[2][2] -2.2137
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 6.676
RMS Deviations
Key Refinement Restraint Deviation
t_omega_torsion 2.4
t_bond_d 0.009
t_other_torsion 21.51
t_angle_deg 1.06
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.358
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3325
Nucleic Acid Atoms 0
Heterogen Atoms 152
Solvent Atoms 78

Software

Software
Software Name Purpose
DNA data collection
MOLREP phasing
REFMAC refinement version: 5.5.0109
MOSFLM data reduction
SCALA data scaling
BUSTER refinement version: 2.9.2