4M3B

Rapid and efficient design of new inhibitors of Mycobacterium tuberculosis transcriptional repressor EthR using fragment growing, merging and linking approaches

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.7	293	1.4-1.65 M ammonium sulfate, 15% glycerol, 0.1 M MES, pH 6.7, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.63	53.16

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 121.737	α = 90
b = 121.737	β = 90
c = 33.713	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	MARMOSAIC 225 mm CCD		2010-12-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X06DA	1.0000	SLS	X06DA

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.001	60.868	99.8	0.072	23.5	10.7	17731	17731

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	2.001	2.11	98.9		0.43	0.43	1.8	11	2513

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	MOLECULAR REPLACEMENT	THROUGHOUT	2.001	60.868	17690	901	100	0.2034	0.2015	0.2405	RANDOM	25.863

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			0.01		-0.03

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.743
r_dihedral_angle_4_deg	19.389
r_dihedral_angle_3_deg	14.298
r_scangle_it	5.551
r_dihedral_angle_1_deg	5.327
r_scbond_it	3.51
r_mcangle_it	2.131
r_angle_refined_deg	1.874
r_mcbond_it	1.235
r_chiral_restr	0.143

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.743
r_dihedral_angle_4_deg	19.389
r_dihedral_angle_3_deg	14.298
r_scangle_it	5.551
r_dihedral_angle_1_deg	5.327
r_scbond_it	3.51
r_mcangle_it	2.131
r_angle_refined_deg	1.874
r_mcbond_it	1.235
r_chiral_restr	0.143
r_bond_refined_d	0.027
r_gen_planes_refined	0.011

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1445
Nucleic Acid Atoms
Solvent Atoms	37
Heterogen Atoms	21

Software

Software
Software Name	Purpose
SCALA	data scaling
MOLREP	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
MAR345dtb	data collection
XSCALE	data scaling

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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 R01GM157729.