X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.4
Details 12% PEG 1000, 12% PEG 8000, pH 5.4

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 119.25 α = 90
b = 119.25 β = 90
c = 64.78 γ = 120
Symmetry
Space Group P 61

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 289
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1998-02-01
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 20 94.4 0.135 -- -- 8.3 -- 33598 -- -- --
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)
2.0 2.05 68.3 0.339 -- -- -- --

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 2.0 8.0 -- 2.0 -- 31194 1663 93.85 -- -- 0.161 0.19 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 2.0 2.03 -- 64 988 0.2577 0.2435 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 19.01
RMS Deviations
Key Refinement Restraint Deviation
x_dihedral_angle_d 23.47
x_bond_d 0.007
x_angle_deg 1.778
x_improper_angle_d 1.303
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3852
Nucleic Acid Atoms 0
Heterogen Atoms 2
Solvent Atoms 273

Software

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