X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 7.25
Temperature 298.0
Details PEG 400, magnesium chloride, Tris, Glycine, Ethylene Glycol , pH 7.25, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 111.68 α = 90
b = 111.68 β = 90
c = 177.59 γ = 120
Symmetry
Space Group P 32 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 200
2 200
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 mirrors 2001-06-22
CCD ADSC QUANTUM 210 mirrors 2002-01-17
Diffraction Radiation
Monochromator Protocol
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON CHESS BEAMLINE F2 0.8655 CHESS F2
SYNCHROTRON APS BEAMLINE 17-ID 1.0 APS 17-ID

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
2.12 37.45 98.0 0.33 0.067 -- 6.0 135299 132887 4.0 4.0 14.9
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)
2.11 2.17 -- -- -- 2.4 -- --

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 2.11 24.54 -- 4.0 142520 78216 3949 55.6 -- -- 0.223 0.246 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 2.11 2.21 2431 111 2320 0.296 0.296 0.028 13.6
X Ray Diffraction 2.21 2.32 4208 221 3987 0.327 0.328 0.022 23.6
X Ray Diffraction 2.32 2.47 5914 357 5557 0.279 0.279 0.015 33.2
X Ray Diffraction 2.47 2.66 8512 423 8089 0.263 0.263 0.013 47.6
X Ray Diffraction 2.66 2.92 11257 583 10674 0.269 0.269 0.011 63.2
X Ray Diffraction 2.92 3.35 13836 648 13188 0.257 0.257 0.01 77.7
X Ray Diffraction 3.35 4.21 15634 781 14853 0.21 0.21 0.008 87.8
X Ray Diffraction 4.21 24.54 16586 837 15749 0.199 0.199 0.007 93.0
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 49.2
Anisotropic B[1][1] 4.94
Anisotropic B[1][2] 5.65
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 4.94
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -9.88
RMS Deviations
Key Refinement Restraint Deviation
x_bond_d 0.01
x_angle_deg 1.6
x_torsion_deg 20.3
x_torsion_impr_deg 1.12
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.3
Luzzati Sigma A (Observed) 0.39
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.31
Luzzati Sigma A (R-Free Set) 0.33
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 7199
Nucleic Acid Atoms 0
Heterogen Atoms 162
Solvent Atoms 338

Software

Software
Software Name Purpose
CNS refinement version: 1.0
DENZO data reduction
SCALEPACK data scaling
MOLREP phasing