3OTT

Crystal Structure of the extracellular domain of the putative one component system BT4673 from B. thetaiotaomicron

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	5.5	293	5% PEGMME 2K, 10% tascimate acid pH7.0 plus 0.1 M cacodylate buffer pH5.5, vapor diffusion, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.41	48.95

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 88.173	α = 90
b = 88.173	β = 90
c = 432.956	γ = 90

Symmetry
Space Group	P 41 21 2

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					SAD
2	1	x-ray

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X4A	1.25441	NSLS	X4A
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
1,2	2		89.8	0.132	11.9			194236		-3	35.168

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	2.05	50.4		0.016	0.6

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	2.3	39.27	76749	3840	99.08	0.1974	0.1945	0.2533	RANDOM	33.171

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			-0.2		0.39

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.39
r_dihedral_angle_4_deg	21.236
r_dihedral_angle_3_deg	16.68
r_dihedral_angle_1_deg	7.291
r_scangle_it	4.353
r_scbond_it	2.896
r_mcangle_it	1.817
r_angle_refined_deg	1.766
r_mcbond_it	0.978
r_chiral_restr	0.13

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.39
r_dihedral_angle_4_deg	21.236
r_dihedral_angle_3_deg	16.68
r_dihedral_angle_1_deg	7.291
r_scangle_it	4.353
r_scbond_it	2.896
r_mcangle_it	1.817
r_angle_refined_deg	1.766
r_mcbond_it	0.978
r_chiral_restr	0.13
r_bond_refined_d	0.02
r_gen_planes_refined	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	11999
Nucleic Acid Atoms
Solvent Atoms	280
Heterogen Atoms	36

Software

Software
Software Name	Purpose
XSCALE	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
SHELXS	phasing

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.