3UWS

Crystal structure of a clostripain (PARMER_00083) from Parabacteroides merdae ATCC 43184 at 1.70 A resolution

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.3	277	0.2M NH4Cl, 20.0% PEG-3350, No Buffer pH 6.3, NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.02	38.96

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 39.112	α = 90
b = 108.683	β = 94.32
c = 77.971	γ = 90

Symmetry
Space Group	P 1 21 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 315	KOHZU: Double Crystal Si(111)	2011-10-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.2.2		ALS	8.2.2

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	1.7	28.734	99.1	0.08	11.34			70913		-3	15.869

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	1.7	1.76	99.7		0.501	3.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	1.7	28.734	70883	3577	99.54	0.1445	0.1428	0.1754	RANDOM	19.9673

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]
-0.2		-0.35	0.09		0.07

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.942
r_dihedral_angle_4_deg	19.504
r_dihedral_angle_3_deg	10.896
r_dihedral_angle_1_deg	5.178
r_angle_refined_deg	1.609
r_angle_other_deg	1.303
r_chiral_restr	0.097
r_bond_refined_d	0.013
r_gen_planes_refined	0.009
r_bond_other_d	0.003

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.942
r_dihedral_angle_4_deg	19.504
r_dihedral_angle_3_deg	10.896
r_dihedral_angle_1_deg	5.178
r_angle_refined_deg	1.609
r_angle_other_deg	1.303
r_chiral_restr	0.097
r_bond_refined_d	0.013
r_gen_planes_refined	0.009
r_bond_other_d	0.003
r_gen_planes_other	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5612
Nucleic Acid Atoms
Solvent Atoms	690
Heterogen Atoms	28

Software

Software
Software Name	Purpose
MolProbity	model building
PDB_EXTRACT	data extraction
SHELX	phasing
SHARP	phasing
XSCALE	data scaling
REFMAC	refinement
XDS	data reduction
SHELXD	phasing

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 R01GM133198.