X-RAY DIFFRACTION Experimental Data & Validation


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Crystallization

Crystalization Experiments
pH 8.5
Details RT COMPLEX WAS MIXED WITH RESERVOIR SOLUTION CONTAINING 1.8M (NH4)2SO4, 50MM TRIS HCL (PH8.5), AND 25MM MGSO4. VAPOR DIFFUSION 4C.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 272.7 α = 90
b = 272.7 β = 90
c = 233.1 γ = 120
Symmetry
Space Group H 3 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD (MAR300) MARRESEARCH ADJUSTABLE FOCUS K-B PAIR SI MIRRORS 2011-07-09
Diffraction Radiation
Monochromator Protocol
DOUBLE CRYSTAL CRYO-COOLED SI(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 23-ID-B -- APS 23-ID-B

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
5 60 99.6 -- 0.14 -- 6.5 -- 14646 -- 2.0 170.34
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)
5.0 5.09 100.0 -- 0.87 1.7 6.8 --

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 5.0 29.987 -- 1.0 -- 13005 662 89.81 -- 0.3632 0.361 0.4073 --
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 5.0003 5.3844 -- 128 2161 0.4427 0.4691 -- 80.0
X Ray Diffraction 5.3844 5.9225 -- 115 2327 0.43 0.4145 -- 85.0
X Ray Diffraction 5.9225 6.7709 -- 152 2435 0.4222 0.4532 -- 90.0
X Ray Diffraction 6.7709 8.4983 -- 135 2648 0.381 0.391 -- 96.0
X Ray Diffraction 8.4983 29.9871 -- 132 2772 0.305 0.3815 -- 98.0
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 149.0
RMS Deviations
Key Refinement Restraint Deviation
f_plane_restr 0.004
f_chiral_restr 0.054
f_dihedral_angle_d 13.78
f_angle_d 0.802
f_bond_d 0.008
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 7535
Nucleic Acid Atoms 878
Heterogen Atoms 20
Solvent Atoms 0

Software

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