X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion
pH 8
Details VAPOR DIFFUSION BY 8% ISOPROPANOL, 600mM MAGNESIUM CHLORIDE, 50mM HEPES 7.5 and 50mM TRIS 8.5, pH 8.00

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 38.8 α = 90
b = 78.2 β = 90
c = 85.2 γ = 90
Symmetry
Space Group I 2 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 190
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IV -- 1997-10-03
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X4A 0.9879,0.9795,0.9791, 0.9667 NSLS X4A

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 20 96.7 0.07 -- -- 13.0 -- 8790 -- -3.0 24.8
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)
2.0 2.06 95.0 -- -- 24.0 5.6 --

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
-- 2.0 20.0 -- 2.0 -- 8749 844 96.0 -- 0.228 0.228 0.272 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 2.0 2.09 -- 89 708 0.336 0.35 -- 70.1
Temperature Factor Modeling
Temperature Factor Value
Anisotropic B[1][1] 2.682
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 7.487
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -6.936
RMS Deviations
Key Refinement Restraint Deviation
x_bond_d 0.008
x_angle_deg 1.09
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 931
Nucleic Acid Atoms 0
Heterogen Atoms 7
Solvent Atoms 61

Software

Software
Software Name Purpose
PHASES phasing
X-PLOR refinement version: 3.851
SCALEPACK data scaling