X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 5
Details SITTING DROP PROCEDURE. PROTEIN DROP: 13 MG/ML PPE (SERVA) 9.3 MM SODIUM ACETATE (PH 5.0), 22.4 MM SODIUM SULFATE, 2.2 MM MDL 103,139 IN DMF RESERVOIR: 10 MM SODIUM ACETATE (PH 5.0), 20 MM SODIUM SULFATE., vapor diffusion - sitting drop

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 69.1 α = 90
b = 69.1 β = 90
c = 51.1 γ = 120
Symmetry
Space Group P 31

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 287
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR SIEMENS COLLIMATOR 1993-10-19
Diffraction Radiation
Monochromator Protocol
GRAPHITE SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE SIEMENS -- -- --

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
1.8 20 93.4 -- 0.5 -- 4.2 -- 24302 -- -- --
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)
1.8 1.9 83.2 -- 0.292 -- 2.4 --

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
MOLECULAR REPLACEMENT 1.8 8.0 -- 0.0 -- 24038 -- 95.9 -- 0.18 0.18 -- --
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 1.8 1.88 -- -- 2572 0.44 -- -- 81.5
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 21.4
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.31
x_dihedral_angle_d 26.4
x_mcbond_it 3.05
x_mcangle_it 4.85
x_angle_deg 1.6
x_scangle_it 7.59
x_bond_d 0.009
x_scbond_it 4.53
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.2
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1822
Nucleic Acid Atoms 0
Heterogen Atoms 45
Solvent Atoms 197

Software

Computing
Computing Package Purpose
XDS Data Reduction (intensity integration)
XSCALE Data Reduction (data scaling)
X-PLOR Structure Solution
X-PLOR 3.1 Structure Refinement
Software
Software Name Purpose
XDS data collection
X-PLOR version: 3.1 refinement
XSCALE data reduction
X-PLOR model building