4M3F | pdb_00004m3f

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

X-RAY DIFFRACTION

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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
2.61	52.86

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 121.089	α = 90
b = 121.089	β = 90
c = 33.854	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	40.363	99.7	0.219	8.9	10.5	17621	17621

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	2.11	98.1		0.037	3.697	0.2	10.1	2468

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 (Depositor)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2	38.29	17579	889	100	0.2367	0.2342	0.2845	0.2432	RANDOM	36.5164

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			0.02		-0.05

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	42.392
r_dihedral_angle_4_deg	20.239
r_dihedral_angle_3_deg	17.022
r_dihedral_angle_1_deg	6.254
r_scangle_it	5.178
r_scbond_it	3.417
r_mcangle_it	2.112
r_angle_refined_deg	1.951
r_mcbond_it	1.221
r_chiral_restr	0.131
r_bond_refined_d	0.024
r_gen_planes_refined	0.011

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1500
Nucleic Acid Atoms
Solvent Atoms	11
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