2A2O

CRYSTAL STRUCTURE OF a putativeTenA family transcriptional regulator (BT_3146) FROM BACTEROIDES THETAIOTAOMICRON VPI-5482 AT 2.16 A RESOLUTION

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION,SITTING DROP,NANODROP	5	273	1.0M LiCl, 10.0% PEG-6000, 0.1M Citrate pH5.0 , VAPOR DIFFUSION,SITTING DROP,NANODROP, temperature 273K

Crystal Properties
Matthews coefficient	Solvent content
4.08	69.64

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 201.238	α = 90
b = 201.238	β = 90
c = 291.03	γ = 120

Symmetry
Space Group	P 63 2 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	MARMOSAIC 325 mm CCD	Flat mirror, double crystal monochromator, toroid	2005-04-12	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-2	0.97934, 0.89194	SSRL	BL9-2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	2.16	48.85	95.6	0.09	0.09	6.9	7.3		175804

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.16	2.28		90.2	0.43	0.43	1.8	4

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 (All)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	2.16	48.85	166931	8818	95.27	0.146	0.145	0.173	RANDOM	34.196

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]
0.02	0.01		0.02		-0.02

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.808
r_dihedral_angle_4_deg	16.467
r_dihedral_angle_3_deg	12.589
r_scangle_it	7.472
r_scbond_it	5.09
r_dihedral_angle_1_deg	4.814
r_mcangle_it	2.837
r_angle_refined_deg	1.427
r_mcbond_it	1.388
r_angle_other_deg	0.917
r_mcbond_other	0.259
r_symmetry_vdw_other	0.233
r_symmetry_vdw_refined	0.228
r_nbd_refined	0.226
r_symmetry_hbond_refined	0.215
r_nbtor_refined	0.195
r_nbd_other	0.179
r_xyhbond_nbd_refined	0.164
r_nbtor_other	0.088
r_chiral_restr	0.086
r_bond_refined_d	0.016
r_gen_planes_refined	0.007
r_bond_other_d	0.002
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	12898
Nucleic Acid Atoms
Solvent Atoms	1715
Heterogen Atoms	120

Software

Software
Software Name	Purpose
REFMAC	refinement
SCALA	data scaling
PDB_EXTRACT	data extraction
XDS	data reduction
CCP4	data scaling
SHELXD	phasing
autoSHARP	phasing