X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7
Temperature 291.0
Details sodium/potassium phosphate, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 120.08 α = 90
b = 37.97 β = 92.32
c = 28.82 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR SIEMENS -- 1998-03-02
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
1.5 36 85.6 0.046 -- -- 3.87 20871 17873 0.0 0.0 16.2
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)
1.5 1.59 37.6 0.2292 -- -- 0.54 1857

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
-- 1.5 8.0 0.0 0.0 20798 17717 1718 -- -- -- 0.1964 0.2253 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 1.5022 1.559 1299 -- -- -- -- -- 37.6
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 0.63
c_dihedral_angle_d 26.8
c_bond_d 0.006
c_angle_deg 1.3
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.18
Luzzati Sigma A (Observed) 0.18
Luzzati Resolution Cutoff (Low) 5.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1016
Nucleic Acid Atoms 0
Heterogen Atoms 5
Solvent Atoms 84

Software

Computing
Computing Package Purpose
XENGEN Data Reduction (intensity integration)
XENGEN Data Reduction (data scaling)
X-PLOR Structure Solution
CNS Structure Refinement
Software
Software Name Purpose
CNS refinement
X-PLOR model building
XENGEN data reduction
XENGEN data collection