X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7
Temperature 293.0
Details Ammonium Sulfate, pH 7, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 90.01 α = 90
b = 90.01 β = 90
c = 134.79 γ = 90
Symmetry
Space Group P 43 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2000-03-01
Diffraction Radiation
Monochromator Protocol
channel-cut Si(111) monochromator SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID09 0.75 ESRF ID09

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
1.75 19.91 90.4 -- -- -- -- 50954 51041 0.0 1.0 12.9
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)
1.75 1.81 79.2 -- -- -- -- --

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 1.8 19.91 -- 0.0 51902 47407 2353 91.3 0.191 0.191 0.19 0.211 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 1.8 1.88 5201 271 4930 0.185 0.223 0.014 81.9
X Ray Diffraction 1.88 1.98 5468 266 5202 0.172 0.211 0.013 85.5
X Ray Diffraction 1.98 2.1 5853 278 5575 0.185 0.211 0.013 91.0
X Ray Diffraction 2.1 2.27 5959 277 5682 0.183 0.215 0.013 92.8
X Ray Diffraction 2.27 2.49 6018 323 5695 0.185 0.211 0.012 92.8
X Ray Diffraction 2.49 2.86 6082 300 5782 0.194 0.221 0.013 94.1
X Ray Diffraction 2.86 3.59 6304 325 5979 0.196 0.214 0.012 95.8
X Ray Diffraction 3.59 19.91 6522 313 6209 0.194 0.198 0.011 95.4
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 17.58
Anisotropic B[1][1] 0.35
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.35
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.7
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.005
c_angle_deg 1.3
c_torsion_impr_deg 1.99
c_torsion_deg 20.7
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.17
Luzzati Sigma A (Observed) 0.02
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.2
Luzzati Sigma A (R-Free Set) 0.09
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3776
Nucleic Acid Atoms 0
Heterogen Atoms 63
Solvent Atoms 415

Software

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