Experiment: 3U0S

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	291	100mM HEPES pH 7.5, 2% v/v PEG-400, 2.0M (NH4)2SO4; 25mM HEPES pH 7.25, 100mM NaCl, 5% glycerol (mother liquor); A solution was prepared of CE6 (15mg/ml) in protein buffer with a 1:10,000 molar ratio of Bovine Pancreatic Trypsin (Sigma T1426) added about 25 minutes prior to setting drops (protein buffer), VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
4.13	70.2

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 87.002	α = 90
b = 87.002	β = 90
c = 163.33	γ = 90

Symmetry
Space Group	P 41

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 315r		2011-01-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.1	0.97740	ALS	5.0.1

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	2.6	50	100	0.07	20.5	12.8	37384	37384

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	2.6	2.69	100		0.416		9.9	3702

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-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2.6	46.15	37337	37337	1870		0.17194	0.17194	0.17051	0.19805	RANDOM	44.9428

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]
0.29			0.29		-0.59

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.166
r_dihedral_angle_4_deg	21.013
r_dihedral_angle_3_deg	14.152
r_dihedral_angle_1_deg	6.546
r_scangle_it	3.22
r_scbond_it	1.866
r_angle_refined_deg	1.348
r_mcangle_it	1.105
r_mcbond_it	0.548
r_chiral_restr	0.091

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.166
r_dihedral_angle_4_deg	21.013
r_dihedral_angle_3_deg	14.152
r_dihedral_angle_1_deg	6.546
r_scangle_it	3.22
r_scbond_it	1.866
r_angle_refined_deg	1.348
r_mcangle_it	1.105
r_mcbond_it	0.548
r_chiral_restr	0.091
r_bond_refined_d	0.012
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5090
Nucleic Acid Atoms
Solvent Atoms	240
Heterogen Atoms	98

Software

Software
Software Name	Purpose
SCALEPACK	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection
DENZO	data reduction

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.