X-RAY DIFFRACTION

Crystallization Details
Method pH Temprature Details
X-RAY DIFFRACTION 6.0 293 Purified holo-hOAT was buffer-exchanged into 100 mM MES, 200 mM NaCl, 100 uM PLP, pH 6.0 buffer, and then concentrated to ~6 mg/mL. The crystallization was performed via the hanging drop vapor diffusion method according to previously published conditions with 50 mM Tricine pH 7.8 substituted to 50 mM MES pH 6.0 buffer. The crystals grew at room temperature within three days and reached their maximum size in a week.
Unit Cell:
a: 200.910 Å b: 110.860 Å c: 56.930 Å α: 90.000° β: 106.404° γ: 90.000°
Symmetry:
Space Group: C 1 2 1
Crystal Properties:
Matthew's Coefficient: 2.09 Solvent Content: 41.03
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 2.15 54.61 112717 3272 87.92 0.2706 0.2759 23.88
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
1.99 96.10 92.5 ? ? 4.9 3.4 ? 60876 ? ? ?
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 1.99 2.02 ? ? ? 1.2 ? ?
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 APS BEAMLINE 21-ID-D 1.127 APS 21-ID-D
Software
Software Name Purpose Version
PHENIX refinement 1.19.2_4158
MOSFLM data reduction .
Aimless data scaling .
PHASER phasing .
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