2AQI

Crystal structure of Isoniazid-resistant I47T Enoyl-ACP(CoA) reductase mutant enzyme from Mycobacterium tuberculosis in complex with NADH

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.2	293	0.05M Sodium citrate, 0.05M Hepes, 8-15% 2-Methyl-2-4-pentanediol (MPD), pH 7.2, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
3.23	62

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 95.44	α = 90
b = 95.44	β = 90
c = 138.71	γ = 120

Symmetry
Space Group	P 62 2 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	104	CCD	MARRESEARCH		2003-09-11	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	LNLS BEAMLINE D03B-MX1	1.431	LNLS	D03B-MX1

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	2.2	40.357	97.2			18623	17898	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)
1	2.2	2.32	98.7

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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	2.2	40.35	2	17898	970	96.24	0.18724	0.18591	0.21279	RANDOM	26.995

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]
0.05	0.03		0.05		-0.08

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.856
r_dihedral_angle_4_deg	20.344
r_dihedral_angle_3_deg	16.885
r_dihedral_angle_1_deg	6.519
r_scangle_it	4.291
r_scbond_it	2.867
r_angle_refined_deg	1.956
r_mcangle_it	1.674
r_mcbond_it	1.048
r_nbtor_refined	0.316
r_symmetry_vdw_refined	0.301
r_nbd_refined	0.228
r_symmetry_hbond_refined	0.226
r_chiral_restr	0.189
r_xyhbond_nbd_refined	0.156
r_bond_refined_d	0.02
r_gen_planes_refined	0.008
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1993
Nucleic Acid Atoms
Solvent Atoms	147
Heterogen Atoms	44

Software

Software
Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
AMoRE	phasing
REFMAC	refinement
CCP4	data scaling