X-RAY DIFFRACTION

Crystallization Details
Method pH Temprature Details
X-RAY DIFFRACTION 5.5 285.15 5.0 mg/mL of human SeMet-SepSecS-tRNASec (with a 2-fold molar excess of SepSecS) was crystallized in in 0.28-0.3 M ammonium acetate, 19.8% (v/v) MPD, and 0.1 M sodium citrate titrated with 0.057 M HCl to a pH of 5.5.
Unit Cell:
a: 167.183 Å b: 167.183 Å c: 239.087 Å α: 90.00° β: 90.00° γ: 120.00°
Symmetry:
Space Group: P 31 1 2
Crystal Properties:
Matthew's Coefficient: 3.66 Solvent Content: 66.35
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 SAD FREE R-VALUE 2.07 34.25 456076 3974 99.9 0.177 0.190 ?
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
2.07 50.00 100.0 0.992 ? 4.3 10.7 ? 456255 ? ? ?
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 2.07 2.11 100.0 ? ? 1.07 10.6 ?
Diffraction
Diffraction experiment
Crystal ID Scattering Type Data Collection Temprature Detector Detector Type Details Collection Date Monochromator Protocol
1 80 K ?
Radiation Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 21-ID-D 0.979439 APS 21-ID-D
Software
Software Name Purpose Version
PHENIX refinement DEV_3951
HKL-2000 data scaling .
HKL-2000 data reduction .
SHELX phasing .