X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Details 1.9M (NH4)2SO4, 0.1M CAPS (PH10.5), 0.2M LI2SO4 (FINAL PH 8.2)

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 71.25 α = 90
b = 71.25 β = 90
c = 163.28 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 MARMOSAIC 225 mm CCD -- 2011-04-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID23-2 -- ESRF ID23-2

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
1.95 50 100.0 0.07 -- -- 15.3 -- 31551 -- 2.0 37.8
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)
1.95 2.0 100.0 0.75 -- 2.3 14.5 --

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 1.95 48.142 -- 1.99 -- 31538 1578 99.94 -- 0.2171 0.2156 0.2467 --
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 1.95 2.013 -- 141 2680 0.301 0.3413 -- 100.0
X Ray Diffraction 2.013 2.0849 -- 141 2669 0.257 0.2868 -- 100.0
X Ray Diffraction 2.0849 2.1684 -- 140 2666 0.232 0.2888 -- 100.0
X Ray Diffraction 2.1684 2.2671 -- 140 2655 0.2434 0.2711 -- 100.0
X Ray Diffraction 2.2671 2.3866 -- 142 2691 0.2216 0.2619 -- 100.0
X Ray Diffraction 2.3866 2.5361 -- 141 2696 0.228 0.2698 -- 100.0
X Ray Diffraction 2.5361 2.7319 -- 143 2704 0.2303 0.2391 -- 100.0
X Ray Diffraction 2.7319 3.0068 -- 143 2719 0.2328 0.2623 -- 100.0
X Ray Diffraction 3.0068 3.4418 -- 144 2743 0.2104 0.2397 -- 100.0
X Ray Diffraction 3.4418 4.3359 -- 147 2782 0.1862 0.2103 -- 100.0
X Ray Diffraction 4.3359 48.157 -- 156 2955 0.2122 0.2495 -- 100.0
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 58.6
Anisotropic B[1][1] -9.6352
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -9.6352
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -23.3512
RMS Deviations
Key Refinement Restraint Deviation
f_plane_restr 0.004
f_chiral_restr 0.072
f_bond_d 0.014
f_angle_d 0.985
f_dihedral_angle_d 14.704
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2738
Nucleic Acid Atoms 0
Heterogen Atoms 8
Solvent Atoms 176

Software

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