X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.3
Details 53% SATURATED AMMONIUM SULPHATE, 1.2 M LICL, 20 MM SODIUM CITRATE PH 6.3. SEE ACTA (1998) D54 409-412

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 131.36 α = 90
b = 131.36 β = 90
c = 189.76 γ = 120
Symmetry
Space Group P 63 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH BENT MIRROR 1996-06-03
Diffraction Radiation
Monochromator Protocol
SI(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE BW7B -- EMBL/DESY, HAMBURG BW7B

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
1.65 14 98.7 0.076 7.6 -- 10.22 -- 114679 -- -3.0 --
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)
1.65 1.68 97.8 0.59 59.0 2.2 3.58 --

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 2.0 20.0 -- 0.0 -- 836977 1275 96.7 -- 0.16 0.16 0.2 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 21.15
RMS Deviations
Key Refinement Restraint Deviation
p_special_tor 0.0
p_transverse_tor 29.7
p_staggered_tor 14.8
p_planar_tor 5.6
p_multtor_nbd 0.254
p_bond_d 0.013
p_angle_d 0.028
p_planar_d 0.033
p_mcbond_it 1.725
p_mcangle_it 2.176
p_scbond_it 3.701
p_scangle_it 4.596
p_singtor_nbd 0.181
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6055
Nucleic Acid Atoms 0
Heterogen Atoms 7
Solvent Atoms 881

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
AMORE Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
AMORE model building