2A2M

CRYSTAL STRUCTURE OF a putativeTenA family transcriptional regulator (BT_3146) FROM BACTEROIDES THETAIOTAOMICRON VPI-5482 AT 1.88 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 pH 5.0 VAPOR DIFFUSION,SITTING DROP,NANODROP, temperature 273K

Crystal Properties
Matthews coefficient	Solvent content
3.77	67.11

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 283.292	α = 90
b = 283.292	β = 90
c = 283.292	γ = 90

Symmetry
Space Group	F 4 3 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	2005-06-06	M	SINGLE WAVELENGTH

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

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	1.88	164.4	91.5	0.086	13.74		74704	70979

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	1.88	1.95		60.8	0.819	2.04

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-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	1.88	164.4	74704	70979	3725	94.58	0.143	0.142	0.165	RANDOM	26.381

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]

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.99
r_dihedral_angle_4_deg	15.828
r_dihedral_angle_3_deg	11.92
r_scangle_it	6.29
r_dihedral_angle_1_deg	4.834
r_scbond_it	4.676
r_mcangle_it	2.839
r_mcbond_it	1.836
r_angle_refined_deg	1.318
r_angle_other_deg	0.84
r_mcbond_other	0.56
r_symmetry_vdw_other	0.244
r_nbd_refined	0.225
r_symmetry_hbond_refined	0.195
r_nbtor_refined	0.193
r_xyhbond_nbd_refined	0.191
r_nbd_other	0.181
r_nbtor_other	0.086
r_symmetry_vdw_refined	0.082
r_chiral_restr	0.081
r_bond_refined_d	0.014
r_gen_planes_refined	0.006
r_bond_other_d	0.003
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3702
Nucleic Acid Atoms
Solvent Atoms	610
Heterogen Atoms	68

Software

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