X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8
Temperature 291.0
Details PEG 3350, magnesium sulfate, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 59.11 α = 90
b = 66.48 β = 90
c = 90.53 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
CCD MARRESEARCH -- 2002-08-20
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 22-ID 1.00465 APS 22-ID

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 20 99.5 -- 0.077 -- 24.8 -- 16118 -- -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 20.0 -- 2.0 16118 13125 618 -- -- -- 0.246 0.303 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 0.699
c_dihedral_angle_d 23.844
c_angle_deg 1.263
c_bond_d 0.009
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2538
Nucleic Acid Atoms 0
Heterogen Atoms 48
Solvent Atoms 217

Software

Computing
Computing Package Purpose
HKL-2000 Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
EPMR Structure Solution
CNS Structure Refinement
Software
Software Name Purpose
CNS refinement
EPMR model building
SCALEPACK data reduction
HKL-2000 data collection