X-RAY DIFFRACTION

Crystallization Details
Method pH Temprature Details
X-RAY DIFFRACTION 8.0 293 3.0 ul of protein solution was mixed with 1.0 uL of crystallization solution and hung upside-down in a sealed chamber containing 1mL of well solution. During crystallization, an unknown protease contaminant in the protein solution cleaved FL DdrC between residues 98 and 99, allowing for crystallization of residues 1-98. Protein solution: 257uM DdrC, 800mM NaCl 20mM Tris, pH 8.0 5% (v/v) Glycerol Unknown protease contaminant Crystallization solution (Midas1 - MD1-59 condition #91): 15% (v/v) Sokolan-CP42 200mM Potassium citrate tribasic Well solution: 3.25M Ammonium sulfate
Unit Cell:
a: 73.410 Å b: 73.410 Å c: 110.230 Å α: 90.000° β: 90.000° γ: 90.000°
Symmetry:
Space Group: I 41 2 2
Crystal Properties:
Matthew's Coefficient: 2.60 Solvent Content: 52.7
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 FREE R-VALUE 3.00 37.79 3237 155 99.91 0.2268 0.2573 72.09
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
2.972 37.79 100.0 0.060 ? 33.7 20.9 ? 3335 ? ? 84.41
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 2.972 3.023 100.0 ? ? 5.4 20.2 ?
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 CLSI BEAMLINE 08ID-1 0.97995 CLSI 08ID-1
Software
Software Name Purpose Version
PHENIX refinement 1.19.2_4158
MxDC data collection .
autoPROC data processing 1.0.5 (2022-11-21)
XDS data reduction 20190315
XSCALE data scaling 20230630
PHASER phasing .
BUCCANEER model building .
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