X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.3
Details 50 MM KH2PO4 PH 6.3, 4.3% PEG 8000

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 113.64 α = 90
b = 113.64 β = 90
c = 183.88 γ = 120
Symmetry
Space Group P 31 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH GE(220) AND MULTILAYER 2000-04-15
Diffraction Radiation
Monochromator Protocol
DIAMOND C(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-1 -- ESRF ID14-1

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 91.6 0.102 -- -- 9.0 -- 25822 -- -- 82.3
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 3.19 50.5 0.301 -- 1.7 1.7 --

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 52.03 -- 0.0 -- 25783 1510 91.5 -- 0.212 0.212 0.28 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 3.19 -- 158 2362 0.339 0.404 0.032 54.8
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model GROUP
Mean Isotropic B 70.3
Anisotropic B[1][1] 4.67
Anisotropic B[1][2] 21.15
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 4.67
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -9.34
RMS Deviations
Key Refinement Restraint Deviation
c_dihedral_angle_d 22.4
c_improper_angle_d 0.74
c_angle_deg 1.2
c_bond_d 0.009
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.36
Luzzati Sigma A (Observed) 0.52
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.5
Luzzati Sigma A (R-Free Set) 0.64
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 7395
Nucleic Acid Atoms 0
Heterogen Atoms 33
Solvent Atoms 6

Software

Software
Software Name Purpose
CNS refinement version: 1.0
MOSFLM data reduction
SCALA data scaling
CNS phasing version: 1.0