X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Details 20 % PEG 4K, 0.4 M NA/K TARTRATE, 0.1 M NA CITRATE PH 5.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 75.29 α = 90
b = 109.75 β = 90
c = 34.51 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD -- 2007-10-22
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX10.1 -- SRS PX10.1

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
2.05 50 93.0 0.1 -- -- 5.6 -- 9350 -- 0.0 25.98
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)
2.05 2.12 60.9 0.38 -- 2.5 2.8 --

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 2.053 25.44 -- 0.04 -- 8218 392 88.25 -- 0.2445 0.2416 0.3035 --
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 2.0529 2.3498 -- 107 2083 0.2633 0.3367 -- 72.0
X Ray Diffraction 2.3498 2.9597 -- 131 2755 0.2314 0.3038 -- 94.0
X Ray Diffraction 2.9597 25.4414 -- 154 2988 0.2396 0.2921 -- 98.0
Temperature Factor Modeling
Temperature Factor Value
Anisotropic B[1][1] -2.407
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 9.5336
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -7.1267
RMS Deviations
Key Refinement Restraint Deviation
f_bond_d 0.018
f_dihedral_angle_d 15.121
f_chiral_restr 0.075
f_angle_d 1.992
f_plane_restr 0.006
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 955
Nucleic Acid Atoms 0
Heterogen Atoms 10
Solvent Atoms 36

Software

Software
Software Name Purpose
PHENIX refinement version: (PHENIX.REFINE)
HKL-2000 data reduction
HKL-2000 data scaling
PHASER phasing