X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.5
Temperature 287.0
Details ammonium sulfate, MPEG5000, PEG400, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 287K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 70.38 α = 90
b = 71.16 β = 90.59
c = 226.27 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2002-02-28
Diffraction Radiation
Monochromator Protocol
DIAMOND CRYSTALS SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-1 0.93927 ESRF ID14-1

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
2.5 25 90.4 0.065 0.05 -- 2.1 77914 70001 0.0 0.0 54.664
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)
2.5 2.65 68.1 0.306 0.236 1.8 1.8 7680

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 2.5 25.0 1.8 1.8 77914 70001 3560 89.8 -- -- 0.227 0.2764 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 2.5 2.61 6107 304 -- 0.3184 0.3843 -- --
Temperature Factor Modeling
Temperature Factor Value
Anisotropic B[1][1] -3.087
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 14.047
Anisotropic B[2][2] -9.358
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 12.445
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 2.973
c_scbond_it 1.941
c_mcangle_it 2.575
c_mcbond_it 1.492
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 12847
Nucleic Acid Atoms 0
Heterogen Atoms 181
Solvent Atoms 310

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
MOLREP Structure Solution
CNS Structure Refinement
Software
Software Name Purpose
CNS refinement
MOLREP model building
SCALA data reduction
MOSFLM data collection