X-RAY DIFFRACTION

Crystallization Details
Method pH Temprature Details
X-RAY DIFFRACTION 8.0 291 100 mM Tricine/NaOH, pH 8.0, 30% (v/v) pentaerythritol propoxylate 426 (5/4 PO/OH), and 400 mM KCl. The crystallized sample has to be anoxic and extremely fresh (crystallized after 3 days of purification) without any freezing step. The optimal protein concentration is about 20-35 mg/ml. Drops are made by mixing 1 ul protein and 1 ul precipitant. Crystals appeared after 3-5 days.
Unit Cell:
a: 174.183 Å b: 173.681 Å c: 183.162 Å α: 89.980° β: 95.420° γ: 92.140°
Symmetry:
Space Group: P 1
Crystal Properties:
Matthew's Coefficient: 3.43 Solvent Content: 64.17
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 2.5500 48.9670 673055 34085 96.6800 0.2307 0.2593 46.5475
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
2.55 49.08 96.8 0.14 0.10 5.5 2.6 ? 673754 ? ? ?
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 2.55 2.69 97.0 ? ? 1.5 2.4 ?
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 SLS BEAMLINE X10SA 1.00006 SLS X10SA
Software
Software Name Purpose Version
PHENIX refinement 1.10.1_2155
PDB_EXTRACT data extraction 3.20
XDS data reduction .
SCALA data scaling 3.3.22
PHASER phasing .
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