X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 289.0
Details lithium sulfate, dithiothreitol, HEPES, pH 7.50, VAPOR DIFFUSION, HANGING DROP, temperature 289.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 88.6 α = 90
b = 88.6 β = 90
c = 338.9 γ = 120
Symmetry
Space Group P 61 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 288
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE FUJI -- 1998-12-11
Diffraction Radiation
Monochromator Protocol
-- LAUE
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-3 0.7-1.65 ESRF ID14-3

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
2.5 43 85.9 0.134 -- -- 6.11 24884 24496 -- 1.0 12.6
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)
2.5 2.59 82.8 0.28 -- -- -- --

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
-- 2.5 10.0 -- 2.0 -- 23229 1184 83.4 -- -- 0.195 0.268 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 2.5 2.61 2894 124 2486 0.256 0.354 -- 76.4
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 0.67
x_dihedral_angle_d 24.57
x_angle_deg 1.3
x_bond_d 0.007
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3950
Nucleic Acid Atoms 0
Heterogen Atoms 96
Solvent Atoms 61

Software

Computing
Computing Package Purpose
INTLAUE Data Reduction (intensity integration)
LAUENORM Data Reduction (data scaling)
X-PLOR 3.851 Structure Solution
X-PLOR 3.851 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.851 refinement
X-PLOR version: 3.851 model building
LAUENORM data reduction
INTLAUE data collection