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 -- 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_plane_restr 0.006
f_chiral_restr 0.075
f_dihedral_angle_d 15.121
f_angle_d 1.992
f_bond_d 0.018
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

Computing
Computing Package Purpose
HKL2000 Data Reduction (intensity integration)
HKL2000 Data Reduction (data scaling)
PHASER Structure Solution
PHENIX (PHENIX.REFINE) Structure Refinement
Software
Software Name Purpose
PHENIX version: (PHENIX.REFINE) refinement
PHASER model building