5N1I

unliganded form of the Mycobacterium tuberculosis repressor EthR2

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.2	293	200 mM NaCl, 200 mM Na Citrate pH 4.2 and 15%polyethylene glycol monomethylether 5000

Crystal Properties
Matthews coefficient	Solvent content
2.07	40.51

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 59.85	α = 90
b = 74.47	β = 90
c = 89.52	γ = 90

Symmetry
Space Group	P 21 21 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	PIXEL	DECTRIS PILATUS3 S 6M		2013-09-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SOLEIL BEAMLINE PROXIMA 1	0.98011	SOLEIL	PROXIMA 1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	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	2.4	50	99	0.083	0.999	1.45	7		16231			60.4

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.4	2.54	94.7		0.83	0.88	2.5	7.1

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	5N1C	2.4	38.36	15361	809	99.77	0.22166	0.2192	0.26845	RANDOM	62.589

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]
-0.01			0.03		-0.03

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.249
r_dihedral_angle_4_deg	17.275
r_dihedral_angle_3_deg	15.446
r_long_range_B_refined	10.127
r_long_range_B_other	10.126
r_scangle_other	8.448
r_mcangle_it	6.132
r_mcangle_other	6.13
r_scbond_it	5.591
r_scbond_other	5.589
r_dihedral_angle_1_deg	4.845
r_mcbond_it	4.372
r_mcbond_other	4.326
r_angle_refined_deg	1.515
r_angle_other_deg	0.971
r_chiral_restr	0.081
r_bond_refined_d	0.012
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2864
Nucleic Acid Atoms
Solvent Atoms	4
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
MOLREP	phasing
XDS	data scaling