X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 7.5
Temperature 298.0
Details ETHANOL, PEG 4000, HEPES, SODIUM CHLORIDE, CYMAL-6 , pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 105.99 α = 90
b = 137.4 β = 112.51
c = 97.32 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MAR scanner 345 mm plate -- 2002-12-13
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL7-1 1.08 SSRL BL7-1

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
2.6 -- 97.9 -- 0.052 -- 2.1 82164 38682 0.0 0.0 --
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)
2.6 2.67 97.4 -- -- 1.3 2.1 --

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 2.7 50.0 -- 0.0 81039 34573 1751 97.8 0.249 0.248 0.248 0.288 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 1.56201
c_dihedral_angle_d 23.0323
c_angle_deg 1.65176
c_bond_d 0.010994
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.4226
Luzzati Sigma A (Observed) 0.4933
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.497
Luzzati Sigma A (R-Free Set) 0.5489
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 7386
Nucleic Acid Atoms 0
Heterogen Atoms 127
Solvent Atoms 37

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
CNS Structure Solution
CNS Structure Refinement
Software
Software Name Purpose
CNS refinement
CNS model building
SCALA data reduction
MOSFLM data collection