X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Details PROTEIN FORMULATED AT 10 MG/ML WITH 200MM AMMONIUM ACETATE PH 7.4, 5MM D-L GLUTAMATE, 1 MM TCEP AND IN 0.6 MM OF THE ACTIVATOR MUR-NAC-ALA AND CRYSTALLISED WITH 100 MM SODIUM ACETATE PH 4.55-10% MME 2000 AND 30% GLYCEROL

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 83.05 α = 90
b = 112.82 β = 90
c = 74.12 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD -- 2000-04-11
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-4 -- ESRF ID14-4

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
1.9 20 95.6 0.07 -- -- 6.4 -- 338825 -- 2.1 --
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)
1.9 2.0 78.5 0.36 -- 2.1 3.7 --

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 1.9 20.0 -- 0.0 -- 26542 1344 -- -- -- 0.2185 0.244 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Anisotropic B[1][1] 3.991
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -8.126
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 4.136
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.31354
c_bond_d 0.006037
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2047
Nucleic Acid Atoms 0
Heterogen Atoms 59
Solvent Atoms 221

Software

Software
Software Name Purpose
CNX refinement version: 2000.2
MOSFLM data reduction
SCALA data scaling
SOLVE phasing