X-RAY DIFFRACTION

Crystallization Details
Method pH Temprature Details
X-RAY DIFFRACTION 7 ? CRYSTALS OF WT HUMAN TTR- LIGAND COMPLEXES WERE OBTAINED AT ROOM TEMPERATURE IN ABOUT ONE WEEK BY CO-CRYSTALLIZATION, USING THE HANGING-DROP VAPOR DIFFUSION METHOD. THE PROTEIN (5 MG/ML), IN 20 MM SODIUM PHOSPHATE, PH 7, WAS INCUBATED WITH A FOUR-FOLD MOLAR EXCESS OF LIGANDS SOLUBILIZED IN DMSO. DROPS WERE FORMED BY MIXING EQUAL VOLUMES OF THE SOLUTION CONTAINING LIGAND-TTR COMPLEXES AND OF THE RESERVOIR/PRECIPITANT SOLUTION (2.2 M AMMONIUM SULPHATE, 0.1 M KCL, 0.03 M SODIUM PHOSPHATE, PH 7.0).
Unit Cell:
a: 43.062 Å b: 84.879 Å c: 63.549 Å α: 90.00° β: 90.00° γ: 90.00°
Symmetry:
Space Group: P 21 21 2
Crystal Properties:
Matthew's Coefficient: 2.3 Solvent Content: 46.7
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 ? 1.500 63.549 37929 1896 99.57 0.1702 0.1980 ?
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
1.50 84.88 99.7 0.05 ? 17.80 6.5 ? 37976 ? 3.0 19.67
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 1.50 1.53 99.6 ? 17.80 6.7
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 PETRA III, EMBL c/o DESY BEAMLINE P13 (MX1) ? PETRA III, EMBL c/o DESY P13 (MX1)
Software
Software Name Purpose Version
PHENIX refinement (PHENIX.REFINE)
XDS data reduction .
Aimless data scaling .
PHENIX phasing .