6T9V

Bovine Trypsin in complex with the synthetic inhibitor (S)-3-(3-(4-(3-(tert-butyl)ureido)piperidin-1-yl)-2-((3'-fluoro-4'-(hydroxymethyl)-[1,1'-biphenyl])-3-sulfonamido)-3-oxopropyl)benzimidamide (MI-1904)

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2ZFS

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION		291	100 mM Imidazole pH 8.0, 100 mM Ammoniumsulfate, 20-25 % PEG8000, 0.1% Sodium-azide, 1 mM Ligand, Protein at 10-20 mg/mL

Crystal Properties
Matthews coefficient	Solvent content
2.08	40.8

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 55.464	α = 90
b = 55.464	β = 90
c = 109.142	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	PIXEL	DECTRIS PILATUS 6M		2017-05-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	BESSY BEAMLINE 14.1	0.9184	BESSY	14.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym I (Observed)	CC (Half)	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	1.12642724334	50	99.2	0.057	0.999	18.14	9.487		73657			11.5821453576

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.13	1.19	95.5		0.497	0.935	3.2	8.81

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	2zfs	1.12642724334	43.9639433495	1.37586679908	73647	3683	99.1865429422	0.131242213971	0.13016570159	0.152140034655	16.2720204377

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	11.8216357032
f_angle_d	0.961088907128
f_chiral_restr	0.0843462236537
f_bond_d	0.00740061070626
f_plane_restr	0.00695515555333

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1616
Nucleic Acid Atoms
Solvent Atoms	223
Heterogen Atoms	59

Software

Software
Software Name	Purpose
PHENIX	refinement
PHENIX	refinement
XDS	data reduction
XDS	data scaling
PHASER	phasing
Coot	model building

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.