X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.6
Details 30% PEG2KMME, 0.1 M SODIUM ACETATE PH 4.6, 0.2 M AMMONIUM SULPHATE

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 74.79 α = 90
b = 75.95 β = 90
c = 40.9 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315r -- 2011-02-28
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID29 -- ESRF ID29

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
2.06 60 98.5 0.04 -- -- 5.9 -- 14737 -- 2.0 32.19
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)
2.06 2.18 91.3 0.19 -- 6.8 4.1 --

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 2.06 15.0 -- 0.0 -- 14737 741 98.64 -- 0.1805 0.1788 0.2129 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 2.06 2.23 -- 146 2687 0.1943 0.2327 -- 98.64
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 32.68
Anisotropic B[1][1] 0.6616
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -5.826
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 5.1644
RMS Deviations
Key Refinement Restraint Deviation
t_omega_torsion 3.83
t_other_torsion 17.05
t_bond_d 0.01
t_angle_deg 1.12
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.22
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1895
Nucleic Acid Atoms 0
Heterogen Atoms 45
Solvent Atoms 120

Software

Software
Software Name Purpose
BUSTER refinement version: 2.11.2
XDS data reduction
SCALA data scaling
PHASER phasing