X-RAY DIFFRACTION

Crystallization Details
Method pH Temprature Details
X-RAY DIFFRACTION 8.0 298 12% (w/v) PEG 6000, 60 mM ammonium sulfate, 200 mM lithium sulfate, and 100 mM Tris pH 8.0. ChTS-DHFR enzyme (approximately 7 mg/ml) with 1 mM NADPH, 1 mM FdUMP and 0.5 mM inhibitor., VAPOR DIFFUSION, HANGING DROP, temperature 298K
Unit Cell:
a: 213.629 Å b: 115.540 Å c: 217.973 Å α: 90.00° β: 94.56° γ: 90.00°
Symmetry:
Space Group: C 1 2 1
Crystal Properties:
Matthew's Coefficient: 4.45 Solvent Content: 72.36
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 ? 2.780 48.054 124074 2015 93.22 0.2551 0.2703 64.1100
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
2.760 50.000 94.100 0.132 0.132 12.800 3.500 427317 124124 ? -3.0 56.740
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 2.760 2.810 94.200 ? ? ? 3.400 ?
Diffraction
Diffraction experiment
Crystal ID Scattering Type Data Collection Temprature Detector Detector Type Details Collection Date Monochromator Protocol
1 77 K
Radiation Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X29A 1.075 NSLS X29A
Software
Software Name Purpose Version
DENZO data reduction .
SCALEPACK data scaling .
PHENIX refinement 1.8.4_1496
PDB_EXTRACT data extraction 3.14
CBASS data collection .
HKL-2000 data reduction .
HKL-2000 data scaling .
PHASER phasing .