4X2P

X-RAY DIFFRACTION


Crystallization Details
Method pH Temprature Details
X-RAY DIFFRACTION 4.5 298.0 For the crystals grown in the presence of freshly made 3-HP, the batch reservoir consisted of 280 mM KCl, 46% PEP 426, and 140 mM sodium acetate (pH 4.5). The protein solution consisted of 6.0 mg/ml MR purified as described above, 50mM HEPES buffer (pH 7.5), and 3.3 mM MgCl2. 20mM of 3-HP was added to the protein solution before being mixed with the batch reservoir. The protein solution and reservoir solution were gently mixed in a 1:1 ratio. The mixture was pipetted into a lightly greased well to prevent the crystals from adhering to the well bottom and sealed with a glass coverslip lined with mineral oil. The spontaneous crystals grew for 17 hours, resulting in hexagonal prism and octahedral shaped crystals, and were looped directly from the wells to be flash-cooled in liquid nitrogen for storage.
Unit Cell:
a: 123.879 Å b: 123.879 Å c: 105.301 Å α: 90.00° β: 90.00° γ: 90.00°
Symmetry:
Space Group: I 4 2 2
Crystal Properties:
Matthew's Coefficient: 2.45 Solvent Content: 50
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 1.65 40.00 46554 2482 99.51 0.14471 0.17677 17.099
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
1.65 50 99.6 0.082 ? 13.2 13.0 ? 49040 ? ? 17
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 1.65 1.68 94.0 ? ? 3.2 8.4 ?
Diffraction
Diffraction experiment
Crystal ID Scattering Type Data Collection Temprature Detector Detector Type Details Collection Date Monochromator Protocol
1 100.0 K ?
Radiation Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 21-ID-G 0.979 APS 21-ID-G
Software
Software Name Purpose Version
REFMAC refinement 5.7.0029
DENZO data reduction .
SCALEPACK data scaling .
PHASER phasing .