X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details 12% PEG 3350, 50 MM TRIS PH 7.0, 5 MM CALCIUM CHLORIDE, 1MM SODIUM AZIDE, 5MM GLY-PRO-ARG-PRO-AMIDE, 5MM GLY-HIS-ARG-PRO-AMIDE

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 83.44 α = 90
b = 95.6 β = 90.19
c = 113.64 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM -- 1997-08
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
2.3 30 94.5 0.093 -- -- 4.6 -- 81010 -- 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 2.3 20.0 -- 0.0 -- 81081 4086 94.5 -- -- 0.22 0.29 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 17.8
RMS Deviations
Key Refinement Restraint Deviation
p_bond_d 0.016
p_angle_d 3.521
p_planar_d 25.985
p_hb_or_metal_coord 2.579
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 11092
Nucleic Acid Atoms 0
Heterogen Atoms 71
Solvent Atoms 431

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