X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 9.5
Details PROTEIN CONCENTRATION: 15 MG/ML PROTEIN BUFFER: 0.1 M TRIS, PH 9.5, PRECIPITANT: 1.6 M AMMONIUM SULFATE MIXING EQUAL VOLUMES IN SITTING DROPS, AT ROOM TEMPERATURE

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 67.69 α = 90
b = 67.69 β = 90
c = 110.21 γ = 120
Symmetry
Space Group P 61

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 297
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE ENRAF NONIUS FR591 -- --
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE -- -- -- --

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 12.3 92.2 -- 0.059 -- 2.9 -- 24446 -- 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)
1.8 1.9 84.6 -- 0.268 2.8 3.0 --

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
MOLECULAR REPLACEMENT 1.8 12.3 -- 0.0 -- 24446 2410 92.2 -- 0.182 0.182 0.222 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 1.8 1.88 -- -- -- -- -- -- 84.6
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 16.2
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.443
x_bond_d 0.009
x_angle_deg 1.449
x_dihedral_angle_d 22.41
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1842
Nucleic Acid Atoms 0
Heterogen Atoms 5
Solvent Atoms 156

Software

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