X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.5
Temperature 281.16
Details PEG 4000, magensium chloride, Tris HCl, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 281.16K, pH 8.50

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 62.54 α = 90
b = 62.54 β = 90
c = 81.85 γ = 120
Symmetry
Space Group P 61 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARMOSAIC 325 mm CCD MIRRORS 2005-04-21
Diffraction Radiation
Monochromator Protocol
DOUBLE CRYSTAL MONOCHROMATOR SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL9-2 -- SSRL BL9-2

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
2.03 24.4 99.6 0.064 -- -- 14.3 -- 6816 -- 1.0 --
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)
2.03 2.18 100.0 0.199 -- 4.1 13.5 --

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 2.03 24.4 -- 2.0 6841 6816 346 99.6 -- 0.219 0.219 0.287 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 38.46
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.017
c_angle_deg 1.8
c_improper_angle_d 1.24
c_dihedral_angle_d 25.5
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 743
Nucleic Acid Atoms 0
Heterogen Atoms 33
Solvent Atoms 83

Software

Software
Software Name Purpose
MAR345 data collection
MOSFLM data reduction
MOLREP phasing
CNS refinement