X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.5
Details 17% PEG 8000, 0.2M MES PH 5.5, 0.2M AMMONIUM SULPHATE

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 93.26 α = 90
b = 93.26 β = 90
c = 45.62 γ = 90
Symmetry
Space Group P 41 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315r SILICON MIRRORS (ADAPTIVE AND U-BENT) 2013-06-25
Diffraction Radiation
Monochromator Protocol
DOUBLE CRYSTAL MONOCHROMATOR (SI111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON AUSTRALIAN SYNCHROTRON BEAMLINE MX2 -- Australian Synchrotron MX2

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
2.3 41.71 97.7 0.1 -- -- 5.7 -- 9129 -- 2.0 32.8
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)
2.3 2.39 99.0 0.58 -- 3.1 5.8 --

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 2.3 41.707 -- 1.36 -- 9109 446 96.99 -- 0.1796 0.1782 0.2059 --
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 2.3001 2.6329 -- 153 2851 0.2057 0.2488 -- 98.0
X Ray Diffraction 2.6329 3.3169 -- 140 2853 0.1962 0.2418 -- 97.0
X Ray Diffraction 3.3169 41.714 -- 153 2959 0.1619 0.1792 -- 96.0
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 48.7
RMS Deviations
Key Refinement Restraint Deviation
f_bond_d 0.004
f_chiral_restr 0.032
f_plane_restr 0.002
f_angle_d 0.732
f_dihedral_angle_d 15.135
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1272
Nucleic Acid Atoms 0
Heterogen Atoms 5
Solvent Atoms 42

Software

Software
Software Name Purpose
PHENIX refinement version: (PHENIX.REFINE)
iMOSFLM data reduction
Aimless data scaling
PHASER phasing