X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 6
Temperature 293.0
Details 10mM Sodium Cacodylate, 2mM Zinc acetate, 25% Ethanol, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 77.66 α = 90
b = 77.66 β = 90
c = 68.42 γ = 90
Symmetry
Space Group P 41 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 278
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH Mirror 2002-04-14
Diffraction Radiation
Monochromator Protocol
Mirror SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE X11 0.91 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
2.3 15 98.9 -- 0.113 -- 10.4 100163 9636 0.0 0.0 51.3
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 2.34 86.9 -- 0.229 2.7 -- 404

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 2.3 15.0 0.0 0.0 10138 9636 502 99.0 -- 0.225 0.225 0.256 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 2.34 404 90 1401 0.34 0.392 0.041 94.2
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 47.2
RMS Deviations
Key Refinement Restraint Deviation
c_scbond_it 0.97
c_angle_deg 1.3
c_dihedral_angle_d 23.2
c_bond_d 0.008
c_mcangle_it 4.68
c_mcbond_it 2.98
c_scangle_it 1.57
c_improper_angle_d 0.83
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.32
Luzzati Sigma A (Observed) 0.43
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.41
Luzzati Sigma A (R-Free Set) 0.47
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1780
Nucleic Acid Atoms 0
Heterogen Atoms 17
Solvent Atoms 242

Software

Software
Software Name Purpose
CNS refinement version: 0.9
DENZO data reduction
SCALEPACK data scaling
AMoRE phasing