X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.5
Temperature 289.0
Details AMMONIUM SULPHATE, SODIUN CHLORIDE, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 289K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 58.87 α = 90
b = 58.87 β = 90
c = 200.8 γ = 120
Symmetry
Space Group P 31 1 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1998-10-01
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE X11 -- 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
1.67 51 100.0 0.08 -- -- 4.9 47173 47168 0.0 0.0 24.4
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)
1.67 1.69 99.9 0.608 -- -- 5.2 --

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
AB INITIO 1.71 10.0 0.0 0.0 4379 43791 1314 100.0 0.186 0.186 0.186 0.245 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
s_angle_d 0.12
s_bond_d 0.009
Coordinate Error
Parameter Value
Occupancy Sum Hydrogen 2888.0
Occupancy Sum Non Hydrogen 3294.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2912
Nucleic Acid Atoms 0
Heterogen Atoms 30
Solvent Atoms 458

Software

Software
Software Name Purpose
X-PLOR model building
SHELXL-97 refinement
MAR345 data collection
SCALEPACK data scaling
X-PLOR phasing