2B35

Crystal structure of Mycobacterium tuberculosis enoyl reductase (InhA) inhibited by triclosan

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.8	295	PEG 4000, DMSO, ammonium acetate, NAD+, ADA, pH 6.8, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.2	44.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 99.955	α = 90
b = 81.827	β = 95.69
c = 188.656	γ = 90

Symmetry
Space Group	C 1 2 1

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	ADSC QUANTUM 315		2002-10-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X25	1.1	NSLS	X25

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.3	10	87			63270	55089	2	2

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.3	2.37	82.7

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-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2.3	10	63270	57972	2883	87.07	0.271	0.268	0.268	0.334	RANDOM	31.924

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]
0.2		-0.33	-1.1		0.84

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.412
r_dihedral_angle_4_deg	22.591
r_dihedral_angle_3_deg	21.094
r_dihedral_angle_1_deg	6.457
r_scangle_it	1.845
r_angle_refined_deg	1.473
r_scbond_it	1.292
r_angle_other_deg	0.848
r_mcangle_it	0.836
r_mcbond_it	0.697
r_symmetry_vdw_other	0.256
r_symmetry_vdw_refined	0.235
r_symmetry_hbond_refined	0.226
r_nbd_refined	0.199
r_nbd_other	0.191
r_xyhbond_nbd_refined	0.185
r_nbtor_refined	0.176
r_mcbond_other	0.115
r_nbtor_other	0.088
r_chiral_restr	0.079
r_xyhbond_nbd_other	0.069
r_bond_refined_d	0.014
r_gen_planes_refined	0.004
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	11271
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms	366

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing
CNS	refinement