X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.5
Temperature 298.0
Details PEG 8000, Calcium acetate, cacodylate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 54.5 α = 90
b = 65.2 β = 118
c = 57.8 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR ADSC -- 1998-12-20
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200H -- -- --

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
2.95 15 89.0 0.078 -- -- 2.0 14850 10951 0.0 0.0 50.0
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)
2.95 3.2 80.0 0.22 -- -- 1.2 2102

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
-- 2.95 10.0 0.0 0.0 13920 14850 145 89.0 0.23 0.22 0.22 0.308 random
RMS Deviations
Key Refinement Restraint Deviation
t_angle_deg 1.98
t_bond_d 0.011
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1707
Nucleic Acid Atoms 288
Heterogen Atoms 2
Solvent Atoms 0

Software

Computing
Computing Package Purpose
SDMS Data Reduction (intensity integration)
SDMS Data Reduction (data scaling)
PHASES Structure Solution
TNT Structure Refinement
Software
Software Name Purpose
TNT refinement
PHASES model building