X-RAY DIFFRACTION

Crystallization Details
Method pH Temprature Details
X-RAY DIFFRACTION 6.6 291 BACE1 lacking the pro-segment was concentrated to ~14 mg/mL in 20 mM Tris pH 7.4 and 250 mM NaCl. Crystallization was carried out by the vapor diffusion method against 200 mM sodium citrate tribasic dihydrate, 22% PEG 5K monomethyl ether and 200 mM ammonium iodide.
Unit Cell:
a: 102.350 Å b: 102.350 Å c: 170.550 Å α: 90.000° β: 90.000° γ: 120.000°
Symmetry:
Space Group: P 61 2 2
Crystal Properties:
Matthew's Coefficient: 2.78 Solvent Content: 55.70
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 ? THROUGHOUT 1.8600 27.2300 44821 2255 99.6800 0.1831 0.2076 50.0200
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
1.860 50.000 99.800 0.121 ? 4.900 17.200 ? 44909 ? ? 44.200
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 1.860 1.890 96.600 ? ? ? 7.500 2132
Diffraction
Diffraction experiment
Crystal ID Scattering Type Data Collection Temprature Detector Detector Type Details Collection Date Monochromator Protocol
1 83 K ?
Radiation Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 17-ID 1.0 APS 17-ID
Software
Software Name Purpose Version
HKL-2000 data reduction .
BUSTER-TNT refinement BUSTER 2.11.2
PDB_EXTRACT data extraction 3.15
HKL-2000 data scaling .
BUSTER-TNT phasing .