X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details 0.1 M MES PH 6.5, 2.1 M AMMONIUM SULFATE.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 153.77 α = 90
b = 153.77 β = 90
c = 127.6 γ = 90
Symmetry
Space Group I 4 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315r -- 2010-04-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-4 -- ESRF ID14-4

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 94.8 0.09 -- -- 6.7 -- 25339 -- 4.8 --
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)
2.5 2.6 97.4 0.4 -- 4.8 7.0 --

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
MOLECULAR REPLACEMENT 2.5 41.38 -- -- -- 24577 760 94.79 -- 0.1848 0.18281 0.24706 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 2.5 2.565 -- 53 1713 0.265 0.432 -- 97.19
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 61.361
Anisotropic B[1][1] 0.02
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.02
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.04
RMS Deviations
Key Refinement Restraint Deviation
r_dihedral_angle_1_deg 7.481
r_dihedral_angle_3_deg 18.567
r_dihedral_angle_2_deg 37.736
r_angle_refined_deg 1.933
r_chiral_restr 0.151
r_gen_planes_refined 0.009
r_bond_refined_d 0.018
r_dihedral_angle_4_deg 15.683
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4180
Nucleic Acid Atoms 0
Heterogen Atoms 175
Solvent Atoms 229

Software

Software
Software Name Purpose
REFMAC refinement version: 5.6.0093
XDS data reduction
XSCALE data scaling