X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.5
Details 10 MG/ML PROTEIN, 5-8% PEG4000, 0.1 M ACETATE PH 5.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 95.18 α = 90
b = 95.18 β = 90
c = 65.39 γ = 120
Symmetry
Space Group P 64

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD QUANTUM4 -- 2000-08-18
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX9.6 -- SRS PX9.6

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
2.2 15 99.7 0.066 -- -- 5.0 -- 17203 -- 0.0 --
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)
2.2 2.32 100.0 0.391 -- 3.8 5.0 --

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
MIRAS 2.2 15.0 -- 0.0 -- 17188 1713 99.7 -- 0.241 0.241 0.28 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
RMS Deviations
Key Refinement Restraint Deviation
c_mcbond_it 2.2
c_bond_d 0.007
c_scbond_it 3.2
c_mcangle_it 3.3
c_angle_deg 1.2
c_scangle_it 4.6
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1909
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 75

Software

Software
Software Name Purpose
CNS refinement
MOSFLM data reduction
CCP4 data scaling
CCP4 phasing