2G5N

Indole-amidine Complexes with Bovine Trypsin

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	293	Trypsin, final concentration of 0.6 mM, was dissolved in 20 mM HEPES pH 7.0, 10 mM calcium chloride, 3% DMSO, and 3 mM of ligand of interest (compounds 3, 6, and 9). The well solution consisted of 100 mM Cacodylate pH 6.5, 200 mM ammonium sulfate, 50% PEG (17% to 28%). Drop ratio 1:1, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
1.97	37.45

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 54.34	α = 90
b = 54.34	β = 90
c = 107.656	γ = 120

Symmetry
Space Group	P 31 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	ADSC QUANTUM 4	Mirrors	2005-12-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 17-ID	1	APS	17-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.51	43.12	98.7			29622	29251	3	4	17.2

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.51	1.6	97.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.51	43.12	29622	29251	2912	98.8	0.187	0.204	RANDOM	17.5

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]
-0.48	-0.49		-0.48		0.95

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	25.4
c_scangle_it	2.58
c_scbond_it	1.92
c_mcangle_it	1.47
c_angle_deg	1.3
c_mcbond_it	0.96
c_improper_angle_d	0.75
c_bond_d	0.006
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1632
Nucleic Acid Atoms
Solvent Atoms	261
Heterogen Atoms	25

Software

Software
Software Name	Purpose
CNX	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
AMoRE	phasing