2IEB

Crystal Structure of Isoniazid-resistant S94A ENOYL-ACP(COA) Reductase Mutant Enzyme from MYCOBACTERIUM TUBERCULOSIS in Complex with NADH-INH

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1ZID

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.2	293	0.05 M SODIUM CITRATE, 0.05 M HEPES, 8-15% 2-METHYL-2-4-PENTANEDIOL (MPD), PH 7.2., VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
3.25	62.17

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 96.83	α = 90
b = 96.83	β = 90
c = 136.418	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	100	CCD	MAR CCD 130 mm		2006-03-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	LNLS BEAMLINE D03B-MX1	1.427	LNLS	D03B-MX1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	2.2	45.64	99.9	0.095			19795	19782	2	2

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.2	2.32	99.5		0.774			2789

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	Cut-off Sigma (F)	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	1ZID	2.2	45.64	2	2	19795	18744	1014	99.68	0.189	0.187	0.18676	0.24044	RANDOM	36.165

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		-0.01		0.02

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.95
r_dihedral_angle_4_deg	22.548
r_dihedral_angle_3_deg	18.217
r_dihedral_angle_1_deg	7.413
r_scangle_it	4.681
r_scbond_it	3.356
r_angle_refined_deg	2.312
r_mcangle_it	1.83
r_mcbond_it	1.2
r_nbtor_refined	0.319
r_nbd_refined	0.239
r_symmetry_hbond_refined	0.239
r_symmetry_vdw_refined	0.21
r_xyhbond_nbd_refined	0.193
r_chiral_restr	0.177
r_bond_refined_d	0.02
r_gen_planes_refined	0.009
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	212
Heterogen Atoms	52

Software

Software
Software Name	Purpose
REFMAC	refinement
MAR345dtb	data collection
MOSFLM	data reduction
SCALA	data scaling
AMoRE	phasing