X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.7
Temperature 296.0
Details 1.7 M potassium phosphate, pH 8.7, VAPOR DIFFUSION, HANGING DROP, temperature 296K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 118.39 α = 90
b = 76.33 β = 115.76
c = 97.67 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 -- 2000-08-11
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 5ID-B 1.0 APS 5ID-B

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
1.5 20 98.8 0.053 -- -- 3.6 -- 123526 -- -3.0 --
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)
1.5 1.53 90.2 0.269 -- 2.2 -- --

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 1.5 20.0 -- 2.0 123526 111219 2217 -- -- -- 0.189 0.212 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 1.5 1.55 7843 176 -- 0.188 0.222 -- --
Temperature Factor Modeling
Temperature Factor Value
Anisotropic B[1][1] -1.823
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -1.477
Anisotropic B[2][2] -0.467
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 2.289
RMS Deviations
Key Refinement Restraint Deviation
c_mcangle_it 1.62
c_mcbond_it 1.055
c_bond_d 0.014
c_scbond_it 1.934
c_scangle_it 2.867
c_angle_deg 1.8
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.16
Luzzati Sigma A (Observed) -0.049
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.181
Luzzati Sigma A (R-Free Set) -0.0059
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5578
Nucleic Acid Atoms 0
Heterogen Atoms 38
Solvent Atoms 519

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
CNS refinement
CNS phasing