X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.25
Details 14% PEG 4000, 0.2 M LI2SO4, 0.1 M TRIS PH 7.25

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 145.33 α = 90
b = 67.66 β = 95.05
c = 106.65 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH BENT MIRROR 1999-09-15
Diffraction Radiation
Monochromator Protocol
DIAMOND C(111) 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 72.38 97.4 0.083 -- -- 3.3 -- 68705 -- 0.0 30.8
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)
2.0 2.11 94.2 -- 0.575 1.6 3.0 --

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 2.0 72.38 -- 0.0 -- 68048 2686 94.3 -- 0.254 0.254 0.298 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 2.0 2.13 -- 565 10312 0.316 0.341 0.014 94.3
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 49.9
Anisotropic B[1][1] -0.46
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 1.89
Anisotropic B[2][2] 1.8
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.34
RMS Deviations
Key Refinement Restraint Deviation
c_mcangle_it 2.032
c_improper_angle_d 0.8
c_scbond_it 2.28
c_bond_d 0.007
c_mcbond_it 1.448
c_angle_deg 1.1
c_scangle_it 2.951
c_dihedral_angle_d 21.7
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.31
Luzzati Sigma A (Observed) 0.27
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.38
Luzzati Sigma A (R-Free Set) 0.3
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 7054
Nucleic Acid Atoms 0
Heterogen Atoms 31
Solvent Atoms 164

Software

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