X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.5
Temperature 293.0
Details ammonium sulfate, PEG 400, TRIS buffer, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 106.15 α = 90
b = 90.39 β = 91.38
c = 127.37 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH mirrors 2000-08-14
Diffraction Radiation
Monochromator Protocol
Graphite SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 1.5418 -- --

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
1.7 20 92.0 0.083 0.083 -- 2.91 132978 122183 0.0 -3.0 --
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)
1.7 1.74 80.5 0.442 0.442 2.15 2.5 7092

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
ISOMORPHOUS REPLACEMENT 1.7 20.0 -- 1.0 122183 114892 1368 -- 0.21 0.2 0.186 0.212 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 1.7 1.72 3699 57 -- 0.339 0.357 -- --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model isotropic
Mean Isotropic B 19.2
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 0.757
c_dihedral_angle_d 23.57
c_angle_deg 1.38
c_bond_d 0.0055
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.19
Luzzati Sigma A (Observed) 0.28
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.23
Luzzati Sigma A (R-Free Set) 0.26
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 9772
Nucleic Acid Atoms 0
Heterogen Atoms 74
Solvent Atoms 1159

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
CNS Structure Solution
CNS Structure Refinement
Software
Software Name Purpose
CNS refinement
CNS model building