X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.6
Details PROTEIN WAS CRYSTALLIZED FROM 1.3M SODIUM TARTRATE, 50-200MM MGCL2, 100MM CITRATE BUFFER, PH 5.6, IN PRESENCE OF 2MM AMP

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 133.65 α = 90
b = 133.65 β = 90
c = 114.12 γ = 120
Symmetry
Space Group H 3 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD -- 1999-11-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX9.6 -- SRS PX9.6

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 81.65 99.5 0.059 -- -- 6.7 -- 10860 -- 2.0 83.842
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 2.75 100.0 0.796 -- 3.1 6.7 --

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 2.7 81.65 -- 0.0 -- 9975 883 99.5 -- 0.2263 0.22189 0.27715 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 46.118
Anisotropic B[1][1] 2.15
Anisotropic B[1][2] 1.08
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 2.15
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -3.23
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2187
Nucleic Acid Atoms 0
Heterogen Atoms 43
Solvent Atoms 0

Software

Software
Software Name Purpose
REFMAC refinement
DENZO data reduction
SCALEPACK data scaling
SOLVE phasing