4M0N

Crystal structure of a putative anti-sigma factor (BDI_1681) from Parabacteroides distasonis ATCC 8503 at 1.65 A resolution

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		293	0.200M magnesium formate, 20.00% polyethylene glycol 3350, NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
1.96	37.38

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 31.386	α = 90
b = 115.242	β = 90
c = 115.032	γ = 90

Symmetry
Space Group	C 2 2 21

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)	2012-10-17	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	1.65	29.285	98.4	0.048	17.42			25388		-3	20.703

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	1.65	1.71	93.8		0.7	2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	MOLECULAR REPLACEMENT	THROUGHOUT	4M0H	1.65	29.285	25354	1285	99.2	0.184	0.1822	0.2191	RANDOM	28.2662

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]
-0.26			1.26		-1

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.179
r_dihedral_angle_4_deg	15.984
r_dihedral_angle_3_deg	11.809
r_dihedral_angle_1_deg	6.39
r_mcangle_it	2.962
r_mcbond_it	2.031
r_mcbond_other	2.031
r_angle_refined_deg	1.419
r_angle_other_deg	0.695
r_chiral_restr	0.085

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.179
r_dihedral_angle_4_deg	15.984
r_dihedral_angle_3_deg	11.809
r_dihedral_angle_1_deg	6.39
r_mcangle_it	2.962
r_mcbond_it	2.031
r_mcbond_other	2.031
r_angle_refined_deg	1.419
r_angle_other_deg	0.695
r_chiral_restr	0.085
r_bond_refined_d	0.01
r_gen_planes_refined	0.005
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1692
Nucleic Acid Atoms
Solvent Atoms	100
Heterogen Atoms	5

Software

Software
Software Name	Purpose
MolProbity	model building
PDB_EXTRACT	data extraction
PHASER	phasing
XSCALE	data scaling
REFMAC	refinement
XDS	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.