3UOP

Bovine trypsin variant X(triplePhe227) in complex with small molecule inhibitor

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	293	20% PEG8000, 0.1M AMMONIUM SULPHATE, 0.1M IMIDAZOLE, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.9	57.55

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 55.089	α = 90
b = 55.089	β = 90
c = 154.868	γ = 120

Symmetry
Space Group	P 32 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	RIGAKU SATURN 944+			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU	1.542

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	1.69	35.04	88.6	0.086	12.6	5.6	28059	28059		-3.7

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.69	1.75	24		0.282	2.5	1.5

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1V2K	1.69	35.04	28058	28058	2210	100	0.1856	0.1856	0.18037	0.22001	RANDOM	23.5569

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]
1.08	0.54		1.08		-1.62

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.373
r_dihedral_angle_4_deg	14.267
r_dihedral_angle_3_deg	11.761
r_dihedral_angle_1_deg	6.467
r_scangle_it	2.919
r_scbond_it	1.985
r_angle_refined_deg	1.349
r_mcangle_it	1.209
r_mcbond_it	0.684
r_chiral_restr	0.101
r_bond_refined_d	0.013
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1636
Nucleic Acid Atoms
Solvent Atoms	342
Heterogen Atoms	60

Software

Software
Software Name	Purpose
d*TREK	data scaling
d*TREK	data reduction
REFMAC	refinement
PDB_EXTRACT	data extraction
CrystalClear	data collection
PHASER	phasing