X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.5
Details 10-15% PEG (MW 4000), 0.2 M LI2SO4, 0.1 M TRIS PH 8.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 128.1 α = 90
b = 128.1 β = 90
c = 84.76 γ = 120
Symmetry
Space Group P 63 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 120
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH MIRORS 1998-03-01
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 -- -- --

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
2.4 30 99.5 0.087 -- -- 15.0 -- 16699 -- -- 36.21
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)
2.4 2.49 99.8 0.31 -- 4.0 -- --

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
MIRAS 2.4 20.0 -- 0.0 -- 16597 839 99.0 -- -- 0.208 0.271 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 27.3
RMS Deviations
Key Refinement Restraint Deviation
p_planar_d 0.032
p_angle_d 0.031
p_bond_d 0.009
p_plane_restr 0.018
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1999
Nucleic Acid Atoms 0
Heterogen Atoms 15
Solvent Atoms 226

Software

Software
Software Name Purpose
MLPHARE phasing
REFMAC refinement
DENZO data reduction
SCALEPACK data scaling