5LH8

Trypsin inhibitors for the treatment of pancreatitis - cpd 8

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	298	25% PEG3350, 0.2 M LISO4, 100 MM HEPES PH 7.5 Crystallization Protein Solution = 100 MG/ML IN H2O. Complex Formation Method = Soaking Crystallization Protocol = equal volumes (2ul+2ul) Crystallization Method = Vapor diffusion - Hanging drop Crystallization Temperature = 298.0 Cryo Protocol = The crystal was flash frozen in liquid nitrogen Pictures = Remarks = SAOKING WITH cpd 8 at 10 mM for 4 hours.

Crystal Properties
Matthews coefficient	Solvent content
2.21	44.3

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 53.951	α = 90
b = 58.024	β = 90
c = 65.811	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	MARRESEARCH		2009-06-27	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	ENRAF-NONIUS FR591	1.54

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.54	65.81	99.1	0.097	15.64	7.51		30977			10.45

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION		THROUGHOUT	1.54	43.52	30975	1549	99.1	0.154	0.152	0.182	RANDOM	11.36

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]
-0.5243			0.2214		0.3029

RMS Deviations
Key	Refinement Restraint Deviation
t_other_torsion	15.1
t_omega_torsion	4.27
t_angle_deg	1.18
t_bond_d	0.01
t_dihedral_angle_d
t_incorr_chiral_ct
t_pseud_angle
t_trig_c_planes
t_gen_planes
t_it
t_nbd
t_improper_torsion
t_chiral_improper_torsion
t_sum_occupancies
t_utility_distance
t_utility_angle
t_utility_torsion
t_ideal_dist_contact

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1629
Nucleic Acid Atoms
Solvent Atoms	306
Heterogen Atoms	49

Software

Software
Software Name	Purpose
BUSTER	refinement
XDS	data reduction
XSCALE	data scaling
PHASER	phasing