X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details 20% AMMONIUM SULPHATE, 1M KCL, 40MM HEPES PH 7

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 191.99 α = 90
b = 191.99 β = 90
c = 205.88 γ = 120
Symmetry
Space Group P 62 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD TOROIDAL MIRROR 2003-11-20
Diffraction Radiation
Monochromator Protocol
DIAMOND (111), GE(220) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-2 -- ESRF ID14-2

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
2.7 30 99.7 0.08 -- -- 5.2 -- 61565 -- 0.0 61.9
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)
2.7 2.8 99.4 0.7 -- 2.4 5.1 --

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 2.7 29.93 -- 0.0 -- 61411 1233 -- -- -- 0.233 0.25 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 2.7 2.87 -- -- -- 0.339 0.403 0.029 99.2
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model BFACTOR_MODEL
Mean Isotropic B 70.1
Anisotropic B[1][1] 4.46
Anisotropic B[1][2] 11.08
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 4.46
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -8.92
RMS Deviations
Key Refinement Restraint Deviation
c_dihedral_angle_d 21.0
c_bond_d 0.007
c_angle_deg 1.3
c_improper_angle_d 0.85
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.4
Luzzati Sigma A (Observed) 0.48
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.46
Luzzati Sigma A (R-Free Set) 0.56
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 8999
Nucleic Acid Atoms 0
Heterogen Atoms 50
Solvent Atoms 138

Software

Software
Software Name Purpose
CNX refinement version: 2002
DENZO data reduction
SCALEPACK data scaling
AMoRE phasing