X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7
Temperature 289.0
Details Ammonium sulphate, Hepes, pH 7.00, VAPOR DIFFUSION, HANGING DROP, temperature 289K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 181.7 α = 90
b = 181.7 β = 90
c = 37.5 γ = 120
Symmetry
Space Group H 3

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2002-04-04
Diffraction Radiation
Monochromator Protocol
crystal SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE BM30A 0.98 ESRF BM30A

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 27.1 99.8 -- 0.091 -- 3.8 -- 30897 2.0 2.0 15.45
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)
2.0 2.11 99.2 -- 0.195 -- 3.6 --

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 2.0 50.0 2.0 2.0 -- 30834 1570 -- 0.198 0.194 0.177 0.208 random
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.0104
c_angle_deg 1.59
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3324
Nucleic Acid Atoms 0
Heterogen Atoms 11
Solvent Atoms 369

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
CNS Structure Solution
CNS Structure Refinement
Software
Software Name Purpose
CNS version: 1.0 refinement
CNS model building
SCALEPACK data reduction
DENZO data collection