X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.6
Details 27-29% POLYETHYLENE GLYCOL MONOMETHYL ETHER 2K, SODIUM ACETATE 0.1M PH 4.6 AMMONIUM SULPHATE 0.15-0.3 M

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 59.24 α = 90
b = 71.45 β = 90
c = 107.23 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 1999-11-01
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE X11 -- EMBL/DESY, Hamburg X11

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
1.9 41.89 99.9 0.075 -- -- 5.5 -- 18284 -- 0.0 13.8
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)
1.9 2.0 100.0 0.357 -- 2.1 5.5 --

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 1.9 41.89 -- 0.0 -- 18256 897 99.6 -- 0.1948 0.1948 0.2211 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 1.9 2.02 -- 149 2906 0.309 0.322 0.026 100.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 20.9
Anisotropic B[1][1] -1.7
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 3.99
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -2.3
RMS Deviations
Key Refinement Restraint Deviation
c_scbond_it 1.96
c_dihedral_angle_d 21.9
c_mcangle_it 1.88
c_scangle_it 2.99
c_improper_angle_d 0.79
c_angle_deg 1.2
c_bond_d 0.005
c_mcbond_it 1.22
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.28
Luzzati Sigma A (Observed) 0.23
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.33
Luzzati Sigma A (R-Free Set) 0.3
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1904
Nucleic Acid Atoms 0
Heterogen Atoms 36
Solvent Atoms 137

Software

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