X-RAY DIFFRACTION

Crystallization Details
Method pH Temprature Details
X-RAY DIFFRACTION 6.5 298 30mM magnesium acetate, 900mM Lithium sulfate, 50mM MES pH 6.5. The crystal was crosslinked with 48mg/mL EDC overnight, and then looped into a solution of 35mM potassium chloride, 4mM calcium chloride, 10% glycerol, and 10mM Tris hydrochloride for 1 hour. The drop was then supplemented with 80 micromolar Ultrabithorax homeodomain.
Unit Cell:
a: 76.032 Å b: 124.855 Å c: 139.093 Å α: 90.000° β: 91.846° γ: 90.000°
Symmetry:
Space Group: I 1 2 1
Crystal Properties:
Matthew's Coefficient: 5.03 Solvent Content: 75.53
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 FREE R-VALUE 3.39 45.29 17764 1767 98.31 0.2684 0.2976 146.45
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
3.12 47.11 98.8 0.134 ? 6.5 3.5 ? 21916 ? ? 92.55
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 3.12 3.34 99.3 ? ? 1.1 3.6 ?
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 ALS BEAMLINE 8.2.1 1.0 ALS 8.2.1
Software
Software Name Purpose Version
PHENIX refinement 1.21.2_5419
XDS data reduction .
XSCALE data scaling .
PHASER phasing .
Coot model building .
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