X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Evaporation
pH 4.3
Temperature 298.0
Details 16% PEG 8000, 500 mM Li2SO4, 5 mM CaCl2, pH 4.3, EVAPORATION, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 84.85 α = 90
b = 84.85 β = 90
c = 223.59 γ = 120
Symmetry
Space Group H 3 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1998-08-18
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON MAX II BEAMLINE I711 -- MAX II I711

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
1.69 23 95.0 0.052 -- -- 3.9 35745 33815 0.0 0.0 16.8
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)
1.68 1.75 71.0 0.225 -- -- -- --

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 1.69 23.0 0.0 0.0 33815 33813 1686 96.1 -- 0.164 0.164 0.187 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 1.69 1.79 -- 237 4827 0.19 0.222 0.014 87.6
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 18.1
Anisotropic B[1][1] 1.93
Anisotropic B[1][2] 1.84
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 1.93
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -3.87
RMS Deviations
Key Refinement Restraint Deviation
c_mcbond_it 1.01
c_scangle_it 3.04
c_mcangle_it 1.49
c_angle_deg 2.0
c_bond_d 0.023
c_improper_angle_d 1.37
c_scbond_it 2.05
c_dihedral_angle_d 26.2
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.15
Luzzati Sigma A (Observed) 0.08
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.17
Luzzati Sigma A (R-Free Set) 0.09
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1726
Nucleic Acid Atoms 0
Heterogen Atoms 65
Solvent Atoms 246

Software

Software
Software Name Purpose
MAR345 data collection
XDS data reduction
AMoRE phasing
CNS refinement version: 0.5
XDS data scaling