X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 7.5
Temperature 22.5
Details 10mM DTT, 10mM Tris pH 7.5, 25 mM NaCl, 1.6 M Ammonium Sulfate, VAPOR DIFFUSION, SITTING DROP, temperature 22.5K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 106.08 α = 90
b = 106.08 β = 90
c = 221.52 γ = 120
Symmetry
Space Group P 65 2 2

Diffraction

Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2001-03-07
CCD ADSC QUANTUM 4 -- 2001-03-07
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL11-1 0.965 SSRL BL11-1
SYNCHROTRON SSRL BEAMLINE BL11-1 0.965 SSRL BL11-1

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
1.58 20 90.0 0.064 -- -- -- 90349 90349 2.0 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)
1.58 1.61 71.2 0.514 -- -- -- --

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 1.58 20.0 -- 0.0 90349 90349 4517 -- 0.199 0.199 0.199 0.214 Random
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 1.6
c_dihedral_angle_d 25.7
c_angle_d 1.6
c_bond_d 0.011
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.1881
Luzzati Sigma A (Observed) 0.1312
Luzzati Resolution Cutoff (Low) 20.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4351
Nucleic Acid Atoms 0
Heterogen Atoms 9
Solvent Atoms 544

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
CNS Structure Solution
CNS Structure Refinement
Software
Software Name Purpose
CNS refinement
CNS model building