ISDA

X-RAY DIFFRACTION

Crystallization Details

Method	pH	Temprature	Details
X-RAY DIFFRACTION	5.50	?	trypsin-benzamidine, P3(1) 2 1 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 a solution of 85 % saturated citrate, 1 mM CaCl2, 2.0 % DMSO, saturated with inhibitor, pH 5.50 over a period of several days with several replacements of the soaking solution.

Unit Cell:

a: 55.000 Å b: 55.000 Å c: 109.210 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: 18.0

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	1.47	7.5	21757	2152	66.	0.192	0.229	?

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	28.92	66.	0.091	?	6.4	2.0	23913	?	?	1.00	?

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	1.47	1.54	33.9	?	?	1.7	?	?

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