X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details MES 0.1M PH 6.5, PEG MME 30%, 10MM ZINC SULFATE, 5% GLYCEROL

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 100.05 α = 90
b = 100.05 β = 90
c = 149.67 γ = 120
Symmetry
Space Group P 64 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
-- -- -- 2000-05-15
-- -- -- --
Diffraction Radiation
Monochromator Protocol
-- MAD
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE BM30A -- ESRF BM30A
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
2.13 25 99.7 0.043 -- -- 4.9 -- 25043 -- -- 36.4
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)
2.13 2.2 99.7 0.315 -- 2.3 4.9 --

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
MAD 2.13 25.0 -- 0.0 -- 25292 2504 99.3 -- 0.239 0.239 0.284 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 2.13 2.26 -- 402 3728 0.294 0.326 0.016 100.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 45.8
Anisotropic B[1][1] 7.03
Anisotropic B[1][2] 6.17
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 7.03
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -14.06
RMS Deviations
Key Refinement Restraint Deviation
c_scbond_it 1.9
c_bond_d 0.009
c_angle_deg 1.5
c_improper_angle_d 0.84
c_mcbond_it 1.28
c_mcangle_it 2.14
c_dihedral_angle_d 19.7
c_scangle_it 2.75
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.3
Luzzati Sigma A (Observed) 0.26
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.38
Luzzati Sigma A (R-Free Set) 0.28
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2618
Nucleic Acid Atoms 0
Heterogen Atoms 194
Solvent Atoms 186

Software

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