X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details 16% PEG 3350, 50 MM BISTRIS-HCL, PH 7.0, 0.1% BETA-OCTYLGLUCOSIDE, 1 MM NAN3

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 119.9 α = 90
b = 92.3 β = 90
c = 149.3 γ = 90
Symmetry
Space Group P 21 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 120
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD PRINCETON 2K -- 1995-12
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON CHESS BEAMLINE A1 -- CHESS A1

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
3 100 87.1 0.064 -- -- 3.5 -- 29703 -- 2.0 --
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)
3.0 3.11 50.4 0.37 -- -- -- --

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, MULTIPLE ISOMORPHOUS REPLACEMENT, ANOMALOUS DISPERSION 3.7 12.0 -- 2.0 -- 29703 -- -- -- 0.217 0.217 0.324 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 36.7
RMS Deviations
Key Refinement Restraint Deviation
x_angle_deg 1.589
x_bond_d 0.007
x_dihedral_angle_d 24.3
x_improper_angle_d 1.233
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 9022
Nucleic Acid Atoms 0
Heterogen Atoms 2
Solvent Atoms 0

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
X-PLOR 3.8 Structure Solution
X-PLOR 3.8 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.8 refinement
X-PLOR version: 3.8 model building
DENZO data collection
SCALEPACK data reduction