X-RAY DIFFRACTION

Crystallization Details
Method pH Temprature Details
X-RAY DIFFRACTION 4.6 291 E3_53, E2_79, and IgE-Fc3-4 were mixed in equimolar ratios with E3_53 and E2_79, and intact complexes were purified by SEC in 20 mM Tris-HCl, pH 8.0, 50mM NaCl and concentrated to 7mg/ml and mixed 1:1 with acetate buffer pH 4.6, 43% ethylene glycol w/v in hanging drops
Unit Cell:
a: 51.908 Å b: 137.793 Å c: 88.250 Å α: 90.000° β: 105.680° γ: 90.000°
Symmetry:
Space Group: P 1 21 1
Crystal Properties:
Matthew's Coefficient: 2.78 Solvent Content: 55.9
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 MOLECULAR REPLACEMENT THROUGHOUT 2.8000 38.7400 29050 1278 98.7000 0.2152 0.2563 61.1866
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
2.8 38.740 98.65 0.1948 ? 5.07 3.7 ? 29053 ? ? ?
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 2.8 2.9 98.37 ? ? 0.66 ? ?
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
SYNCHROTRON SSRL BEAMLINE BL9-2 0.97946 SSRL BL9-2
Software
Software Name Purpose Version
PHENIX refinement 1.18.2_3874
XDS data scaling .
PDB_EXTRACT data extraction 3.25
XDS data reduction .
PHENIX phasing .