X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details PH7.0, 15-20% PEG 8000, 100-200 MM MAGNESIUM ACETATE, pH 7.00

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 117.04 α = 90
b = 80.28 β = 101.95
c = 52.82 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 ADSC CCD MIRRORS 1999-11-15
Diffraction Radiation
Monochromator Protocol
SILICON OTHER
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX9.6 -- SRS PX9.6

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
2.2 26.63 99.1 0.052 0.052 -- 3.7 -- 24415 -- -- 43.66
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)
2.2 2.32 99.1 0.231 0.231 3.1 3.7 --

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
MIRAS 2.2 23.72 -- 2.0 -- 23767 2285 97.6 -- 0.235 0.235 0.268 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 2.2 2.34 -- 386 3389 0.24 0.309 0.016 93.7
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 42.3
Anisotropic B[1][1] 1.57
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.25
Anisotropic B[2][2] 2.21
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -3.78
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 0.73
c_mcangle_it 2.39
c_bond_d 0.006
c_mcbond_it 1.46
c_scbond_it 12.13
c_dihedral_angle_d 17.3
c_scangle_it 12.39
c_angle_deg 1.1
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.28
Luzzati Sigma A (Observed) 0.16
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.34
Luzzati Sigma A (R-Free Set) 0.25
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2923
Nucleic Acid Atoms 0
Heterogen Atoms 1
Solvent Atoms 133

Software

Software
Software Name Purpose
CNS refinement version: 1.0
MOSFLM data reduction
SCALA data scaling
CCP4 phasing
SOLVE phasing
SHARP phasing