X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details 18% PEG8000 0.1M SODIUM CACODYLATE PH6.5 0.2M CALCIUM ACETATE

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 50.9 α = 90
b = 82.5 β = 90
c = 109.7 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MAR scanner 300 mm plate -- 1996-02-09
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX9.6 -- SRS PX9.6

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
2.3 15 97.9 0.088 -- -- 3.7 -- 27424 -- -3.0 --

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 2.3 15.0 -- -- -- 88881 -- 97.9 -- 0.205 0.205 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 26.7
RMS Deviations
Key Refinement Restraint Deviation
x_mcbond_it 3.6
x_bond_d 0.014
x_angle_deg 1.8
x_mcangle_it 5.4
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3184
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 187

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
X-PLOR 3.1 Structure Solution
X-PLOR 3.1 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.1 model building
X-PLOR version: 3.1 refinement
SCALEPACK data reduction
DENZO data collection