X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.5
Temperature 291.0
Details PEG 4000, TRIS, Lithium Chloride, Glucose-1-phosphate., pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 74.51 α = 90
b = 105.24 β = 90
c = 217.36 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2001-03-24
Diffraction Radiation
Monochromator Protocol
Si 111 SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ELETTRA BEAMLINE 5.2R 1.2 ELETTRA 5.2R

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
1.8 17 85.0 0.18 -- -- 7.8 134845 134845 -- -- 21.633
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)
1.8 1.9 73.6 0.61 -- 2.0 5.2 16882

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
FOURIER SYNTHESIS 1.8 20.0 -- -- 134764 127982 6782 85.0 0.18734 0.18734 0.18579 0.21624 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 24.262
Anisotropic B[1][1] 0.13
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.88
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.75
RMS Deviations
Key Refinement Restraint Deviation
p_plane_restr 0.008
p_chiral_restr 0.13
p_angle_deg 1.723
p_scangle_it 5.423
p_scbond_it 3.196
p_mcangle_it 1.966
p_mcbond_it 1.04
p_bond_d 0.018
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 12780
Nucleic Acid Atoms 0
Heterogen Atoms 130
Solvent Atoms 1085

Software

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