X-RAY DIFFRACTION

Crystallization Details
Method pH Temprature Details
X-RAY DIFFRACTION 7.72 ? trypsin-benzamidine, P3(1) 2 1 crystals were grown by vapor diffusion, as described for P2(1) 2(1) 2(1) (large cell) (Mangel, et al., Biochemistry 29, 8351-8357, 1990) The crystal was soaked in inhibitor-free solution of 1.84 M MgSO4 . 7 H2O, 150 mM Tris, 1 mM CaCl2, pH 7.72 over a period of several weeks with several replacements of the soaking solution.
Unit Cell:
a: 54.910 Å b: 54.910 Å c: 109.200 Å α: 90.00° β: 90.00° γ: 120.00°
Symmetry:
Space Group: P 31 2 1
Crystal Properties:
Matthew's Coefficient: 2.04 Solvent Content: 39.61
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 DIFFERENCE FOURIER PLUS REFINEMENT X-PLOR 1.48 7.5 19554 1912 61 0.198 0.223 ?
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
1.33 28.90 61. 0.107 ? 5.0 1.9 22066 ? ? 1.0 ?
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 1.48 1.55 33.0 ? ? 1.5 ? ?
Diffraction
Diffraction experiment
Crystal ID Scattering Type Data Collection Temprature Detector Detector Type Details Collection Date Monochromator Protocol
1 298 K
Radiation Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE ? ? ? ?
Software
Software Name Purpose Version
bioteX data collection (MSC)
bioteX data reduction (MSC)
X-PLOR model building 3.1
Quanta model building .
Insight II model building .
X-PLOR refinement 3.1
bioteX data scaling .
X-PLOR phasing 3.1