X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 10
Temperature 289.0
Details PEG 1450, POTASSIUM CHLORIDE, GLYCINE, pH 10.0, VAPOR DIFFUSION, HANGING DROP, temperature 289K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 126.33 α = 90
b = 207.96 β = 90
c = 73.02 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 295
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS II -- 1993-06-15
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
3.16 80.28 91.7 0.086 -- -- -- 30755 n/a -- 1.0 --
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)
3.16 3.5 82.1 -- -- -- -- --

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
-- 3.2 8.0 -- 2.0 30755 27778 1805 91.7 -- 0.157 0.157 0.274 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 3.2 3.39 -- 265 3787 0.214 0.323 0.02 81.1
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 45.4
RMS Deviations
Key Refinement Restraint Deviation
x_scangle_it 11.35
x_scbond_it 7.75
x_mcangle_it 8.54
x_mcbond_it 5.48
x_improper_angle_d 0.57
x_bond_d 0.006
x_angle_deg 1.0
x_dihedral_angle_d 25.5
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.25
Luzzati Sigma A (Observed) 0.38
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.42
Luzzati Sigma A (R-Free Set) 0.62
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 11204
Nucleic Acid Atoms 0
Heterogen Atoms 539
Solvent Atoms 633

Software

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