X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Details PROTEIN SAMPLES AT 20 MG/ML CRYSTALLISED IN 0.4 M POTASSIUM SODIUM TARTRATE AT ROOM TEMPERATURE.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 41.47 α = 90
b = 80.83 β = 90
c = 139.96 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD -- 2008-12-07
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON DIAMOND BEAMLINE I02 -- Diamond I02

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
2.5 40.4 84.4 0.06 -- -- 4.2 -- 14350 -- 0.0 42.7
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)
2.5 2.64 35.5 0.61 -- 3.0 4.3 --

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 2.5 40.406 -- 0.0 -- 14346 729 84.4 -- 0.2385 0.2358 0.2882 --
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 2.5 2.693 -- 75 1359 0.3249 0.363 -- 43.0
X Ray Diffraction 2.693 2.9639 -- 142 2662 0.3259 0.3894 -- 84.0
X Ray Diffraction 2.9639 3.3926 -- 166 3066 0.2779 0.3361 -- 97.0
X Ray Diffraction 3.3926 4.2736 -- 168 3202 0.2157 0.273 -- 99.0
X Ray Diffraction 4.2736 40.4112 -- 178 3328 0.1987 0.2422 -- 98.0
Temperature Factor Modeling
Temperature Factor Value
Anisotropic B[1][1] -6.3005
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 3.5678
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 2.7327
RMS Deviations
Key Refinement Restraint Deviation
f_bond_d 0.006
f_angle_d 0.764
f_plane_restr 0.003
f_dihedral_angle_d 11.903
f_chiral_restr 0.057
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3835
Nucleic Acid Atoms 0
Heterogen Atoms 1
Solvent Atoms 45

Software

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