X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 5.7
Temperature 277.0
Details PIPES, Ammonium suplhate, beta-mercapto-ethanol, pH 5.7, VAPOR DIFFUSION, SITTING DROP at 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 92.29 α = 90
b = 160.6 β = 90
c = 237.5 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 103
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1998-12-15
Diffraction Radiation
Monochromator Protocol
-- MAD
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE BM14 0.9137, 0.9786, 0.9795, 0.8856 ESRF BM14

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
2.5 20 92.7 -- 5.0 -- -- 122302 122302 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)
2.5 2.6 75.8 -- 15.6 -- -- 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
MAD 2.5 20.0 0.0 0.0 122302 122302 6115 92.7 -- -- 0.212 0.251 random
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.014
c_angle_deg 1.786
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 22984
Nucleic Acid Atoms 0
Heterogen Atoms 140
Solvent Atoms 713

Software

Software
Software Name Purpose
SnB phasing
CCP4 model building
CNS refinement
DENZO data reduction
SCALEPACK data scaling
SHAKE-N-BAKE phasing
CCP4 phasing