X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.8
Details 18% PEG 8000, 25 MM KH2PO4, 100 UM FAD, AND 5 MM MGCL2, FINAL PH = 5.8. THE PROTEIN WAS MIXED WITH SOLUTION IN A 1:1 RATIO (PROTEIN WAS IN 10 MM TRIS, PH 7.4).

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 70.43 α = 90
b = 80.53 β = 90
c = 183.97 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 297
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IIC -- 1995-01
Diffraction Radiation
Monochromator Protocol
GRAPHITE 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
2.6 30 87.8 0.054 0.054 -- 4.2 -- 28666 -- 0.0 --

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 2.6 12.0 -- 3.0 -- 28666 2197 87.8 -- 0.193 0.193 0.286 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 2.6 2.75 -- 147 1624 0.259 0.3395 -- 51.6
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 26.2
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.242
x_bond_d 0.007
x_angle_deg 1.5
x_dihedral_angle_d 24.75
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 8038
Nucleic Acid Atoms 0
Heterogen Atoms 152
Solvent Atoms 101

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
X-PLOR Structure Solution
X-PLOR 3.851 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.851 refinement
XPLOR model building