X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Evaporation
pH 5.6
Temperature 295.0
Details 65 % ammonium sulphate, 600 mM MnCl2, pH 5.6, EVAPORATION, temperature 295K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 33.8 α = 90
b = 33.8 β = 90
c = 129.63 γ = 90
Symmetry
Space Group P 43 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 295
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH COLLIMATOR 1995-06-10
Diffraction Radiation
Monochromator Protocol
SI(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 -- -- --

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
1.85 19.2 0.96 0.046 -- -- 1.0 6482 6166 0.0 0.0 16.9
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)
1.86 2.0 79.0 -- -- -- 1.0 --

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 1.85 10.0 0.0 2.0 6482 5068 548 74.5 -- -- 0.186 0.272 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 1.85 1.97 277 34 277 0.247 0.287 0.049 28.2
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 23.4
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 5.15
c_scbond_it 3.28
c_mcangle_it 2.77
c_mcbond_it 1.76
c_improper_angle_d 1.73
c_dihedral_angle_d 21.7
c_angle_deg 1.9
c_bond_d 0.018
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.2
Luzzati Sigma A (Observed) 0.18
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.29
Luzzati Sigma A (R-Free Set) 0.17
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 596
Nucleic Acid Atoms 0
Heterogen Atoms 1
Solvent Atoms 39

Software

Computing
Computing Package Purpose
XDS Data Reduction (intensity integration)
MARSCALE Data Reduction (data scaling)
SIGMAA Structure Solution
X-PLOR 3.851 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.851 refinement
SIGMAA model building