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 α = 90
b = 80.5 β = 90
c = 105.9 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
IMAGEPLATE MAR scanner 300 mm plate -- 1996-02-09
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE BM1A -- ESRF BM1A

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 10 95.2 0.076 -- -- 5.5 -- 32001 -- -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 2.0 10.0 -- -- -- 32001 -- 95.2 -- 0.203 0.203 -- --
RMS Deviations
Key Refinement Restraint Deviation
x_mcangle_it 4.05
x_mcbond_it 2.67
x_bond_d 0.013
x_angle_deg 1.66
x_dihedral_angle_d 26.49
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3153
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 358

Software

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