X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.6
Details HANGING DROP CONTAINED 5 MG/ML PROTEIN, 5 MM PGH, 0.9 M SODIUM FORMATE, 5 MM MERCAPTOETHANOL, 0.5 MM ZNCL2 AND 0.1 M SODIUM ACETATE (PH 4.6). RESERVOIR CONTAINED 1.8 M SODIUM FORMATE, 5 MM MERCAPTOETHANOL AND 0.1 M SODIUM ACETATE (PH 4.6)

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 225.76 α = 90
b = 225.76 β = 90
c = 285.64 γ = 120
Symmetry
Space Group P 32 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- --
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE X11 -- EMBL/DESY, Hamburg X11

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
2.7 45 90.7 0.089 -- -- 2.9 -- 207606 -- -- --
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)
2.7 2.77 89.8 0.367 -- 2.1 2.6 --

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
SIR 2.7 44.0 -- -- -- 207386 1036 90.3 -- -- 0.233 0.235 RANDOM
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 42480
Nucleic Acid Atoms 0
Heterogen Atoms 220
Solvent Atoms 3480

Software

Software
Software Name Purpose
DM model building
SCALA data scaling
SCALEIT phasing
MLPHARE phasing
GETAX phasing
DM phasing
REFMAC refinement