Experiment: 6BX8

Human Mesotrypsin (PRSS3) Complexed with Tissue Factor Pathway Inhibitor Variant (TFPI1-KD1-K15R-I17C-I34C)

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3P95	3P95, 4BQD
experimental model	PDB	4BQD	3P95, 4BQD

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.6	298	0.2M Lithium Sulfate, 0.1M BIS-Tris-HCl pH 4.6, 25% v/v PEG 3350 (Anatrace Top96-27)

Crystal Properties
Matthews coefficient	Solvent content
2.04	39.64

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 35.137	α = 94.81
b = 87.199	β = 93.03
c = 90.84	γ = 92.46

Symmetry
Space Group	P 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	80	PIXEL	DECTRIS PILATUS 6M		2017-08-02	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.1	0.97741	ALS	5.0.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	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	1.98	60.0901	97.4	0.067	0.095	0.067	0.97	6.5	1.7		70450			19.36

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.98	2.05	93.7		0.249	0.352	0.249	0.887	2.5	1.7

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	3P95, 4BQD	1.98	60.062	1.96	69456	3375	93.04	0.1936	0.1922	0.1925	0.2211	0.2203	RANDOM	30.0686

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]

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	8217
Nucleic Acid Atoms
Solvent Atoms	821
Heterogen Atoms	20

Software

Software
Software Name	Purpose
PHENIX	refinement
Aimless	data scaling
MOLREP	phasing
PDB_EXTRACT	data extraction
DIALS	data reduction