X-RAY DIFFRACTION

Crystallization Details
Method pH Temprature Details
X-RAY DIFFRACTION 5.5 ? PROTEIN (20MGML-1) WAS CRYSTALLISED FROM 1.0M AMMONIUM SULPHATE AS BOTH BUFFER AND PRECIPITANT AT PH 4.5 IN THE PRESENCE OF 15% (W/V) GLYCEROL, pH 5.5 THIS STRUCTURE WAS OBTAINED BY SOAKING THE CRYSTALS IN 10MM 2",4" DINITROPHENYL-2-DEOXY-2-FLUORO-B-D-CELLOBIOSIDE FOR 12 H PRIOR TO DATA COLLECTION.
Unit Cell:
a: 54.710 Å b: 69.570 Å c: 77.040 Å α: 90.00° β: 90.00° γ: 90.00°
Symmetry:
Space Group: P 21 21 21
Crystal Properties:
Matthew's Coefficient: 2.16 Solvent Content: 42.94
Refinement Statistics
Diffraction ID Structure Solution Method Cross Validation Method Resolution Limit (High) Resolution Limit (Low) Number of Reflections (Observed) Number of Reflections (R-free) Percent Reflections (Observed) R-Work R-Free Mean Isotropic
X-RAY DIFFRACTION ISOMORPHOUS WITH NATIVE STRUCTURE THROUGHOUT 1.65 15 35910 1832 99.9 ? 0.172 15.8
Data Collection
Overall
Resolution Limit (High) Resolution Limit (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
1.65 20 99.9 0.046 0.046 22.6 4.2 ? 35964 ? ? 14.6
Highest Resolution Shell
# Resolution Limits (Low) Resolution Limits (High) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
1 1.65 1.71 99.9 ? 0.176 13.4 4.2 ?
Diffraction
Diffraction experiment
Crystal ID Scattering Type Data Collection Temprature Detector Detector Type Details Collection Date Monochromator Protocol
1 100 K
Radiation Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 ? ? ?
Software
Software Name Purpose Version
CCP4 model building .
REFMAC refinement .
DENZO data reduction .
SCALEPACK data scaling .
CCP4 phasing .
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