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_planar_d 0.033
p_mcangle_it 2.176
p_bond_d 0.013
p_planar_tor 5.6
p_staggered_tor 14.8
p_transverse_tor 29.7
p_special_tor 0.0
p_multtor_nbd 0.254
p_scangle_it 4.596
p_scbond_it 3.701
p_angle_d 0.028
p_mcbond_it 1.725
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

Software
Software Name Purpose
AMoRE phasing
REFMAC refinement
DENZO data reduction
SCALEPACK data scaling