X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details 0.4-0.9 M SODIUM CITRATE, 0.1 M HEPES BUFFER (PH 6.5-8.0) AND 10 MM DTT

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 78.12 α = 90
b = 90.35 β = 90
c = 97.13 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 300
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315r -- 2010-09-02
Diffraction Radiation
Monochromator Protocol
-- 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 20.1 99.2 0.13 -- -- 5.0 -- 30886 -- 2.3 44.39
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 3.42 100.0 0.61 -- 2.3 5.1 --

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 19.81 -- 0.0 -- 30842 1552 99.07 -- 0.2012 0.1997 0.2304 RANDOM
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 2.3 2.38 -- 147 2855 0.2014 0.221 -- 99.07
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 60.17
Anisotropic B[1][1] -12.0979
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -4.9738
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 17.0718
RMS Deviations
Key Refinement Restraint Deviation
t_other_torsion 3.07
t_bond_d 0.01
t_angle_deg 1.06
t_omega_torsion 2.42
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.332
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3345
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 106

Software

Software
Software Name Purpose
BUSTER refinement version: 2.10.0
XDS data reduction
SCALA data scaling
MOLREP phasing