X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.25
Details pH 5.25

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 112.94 α = 90
b = 36.83 β = 97.85
c = 73.95 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 MARRESEARCH PREMIRROR, BENT MIRROR 2001-06-09
Diffraction Radiation
Monochromator Protocol
DOUBLE CRYSTAL FOCUSSING MONOCHROMATOR MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE BW7A 0.90730,0.97740 EMBL/DESY, Hamburg BW7A

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
2.3 20 92.3 -- 0.034 -- 1.5 -- 24237 -- -- 21.9
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)
2.3 2.38 90.1 -- 0.167 4.45 1.5 --

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
MAD 2.3 19.63 -- 0.0 -- 12646 646 92.3 -- 0.226 0.226 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 2.3 2.44 -- 91 1746 0.259 0.332 0.035 82.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 47.4
Anisotropic B[1][1] -4.44
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.3
Anisotropic B[2][2] 20.01
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -15.57
RMS Deviations
Key Refinement Restraint Deviation
c_mcangle_it 2.78
c_mcbond_it 1.63
c_dihedral_angle_d 18.3
c_scbond_it 2.49
c_angle_deg 1.1
c_improper_angle_d 0.69
c_bond_d 0.007
c_scangle_it 3.71
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.29
Luzzati Sigma A (Observed) 0.22
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.38
Luzzati Sigma A (R-Free Set) 0.31
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2014
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 158

Software

Software
Software Name Purpose
CNS refinement version: 1.1
DENZO data reduction
SCALEPACK data scaling
SOLVE phasing